Annual report pursuant to Section 13 and 15(d)

Schedule III-Real Estate and Accumulated Depreciation (Details)

v3.10.0.1
Schedule III-Real Estate and Accumulated Depreciation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Jul. 15, 2018
May 14, 2018
May 03, 2018
Dec. 31, 2017
Initial Cost              
Land     $ 101,864        
Building and Improvements     361,978        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     18,261        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     103,604        
Building and Improvements     378,499        
Total $ 415,379 $ 409,585 482,103       $ 415,379
Accumulated Depreciation     40,699        
Mortgage note     360,117       307,375
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at beginning of period 415,379 409,585          
Acquisitions 75,123 0          
Improvements 5,567 7,367          
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Write-down or Reserve, Amount (3,938) 0          
Disposals (10,028) (1,573)          
Balance at end of period 482,103 $ 415,379          
Georgetown Ridgeland Lagrange [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     5,740        
Berkley/Sangaree/Tri-County              
Gross Amount at which Carried at End of Period              
Mortgage note     9,400       9,400
Beaver Village I and II [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     9,400       9,400
Ladson Crossing, Lake Greenwood and South Park [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     7,600        
Revere Loan [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     1,059 $ 3,500 $ 3,500 $ 6,810 $ 6,808
Mortgages [Member] | Berkley/Sangaree/Tri-County              
Gross Amount at which Carried at End of Period              
Mortgage note     9,400        
Mortgages [Member] | Beaver Village I and II [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     9,400        
Mortgages [Member] | KeyBank [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     52,100        
Line of Credit [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     3,000        
Amscot Building [Member]              
Initial Cost              
Land     0        
Building and Improvements     462        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     31        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     0        
Building and Improvements     493        
Total $ 493   493        
Accumulated Depreciation     216        
Date of Construction May 15, 2004            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 493            
Amscot Building [Member] | Revere Loan [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     1,100        
Amscot Building [Member] | Line of Credit [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     3,000        
Amscot Building [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Amscot Building [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Lumber River Plaza [Member]              
Initial Cost              
Land     800        
Building and Improvements     4,487        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     151        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     942        
Building and Improvements     4,496        
Total $ 5,438   5,438        
Encumbrances     1,448        
Accumulated Depreciation     879        
Date Acquired Nov. 16, 2012            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 5,438            
Lumber River Plaza [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Lumber River Plaza [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Perimeter Square [Member]              
Initial Cost              
Land     1,566        
Building and Improvements     5,081        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     1,950        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     1,705        
Building and Improvements     6,892        
Total $ 8,597   8,597        
Encumbrances     6,497        
Accumulated Depreciation     1,079        
Date Acquired Nov. 16, 2012            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 8,597            
Perimeter Square [Member] | Revere Loan [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     1,100        
Perimeter Square [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Perimeter Square [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Riversedge North [Member]              
Initial Cost              
Land     910        
Building and Improvements     2,208        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     721        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     910        
Building and Improvements     2,929        
Total $ 3,839   3,839        
Encumbrances     1,800        
Accumulated Depreciation     1,432        
Date of Construction Apr. 17, 2008            
Date Acquired Dec. 21, 2012            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 3,839            
Riversedge North [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Riversedge North [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Surrey Plaza [Member]              
Initial Cost              
Land     381        
Building and Improvements     1,857        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     0        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     381        
Building and Improvements     1,857        
Total $ 2,238   2,238        
Accumulated Depreciation     436        
Date Acquired Dec. 21, 2012            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 2,238            
Surrey Plaza [Member] | Revere Loan [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     1,100        
Surrey Plaza [Member] | Line of Credit [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     3,000        
Surrey Plaza [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Surrey Plaza [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Shoppes At Tj Maxx [Member]              
Initial Cost              
Land     2,115        
Building and Improvements     6,719        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     644        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     2,115        
Building and Improvements     7,363        
Total $ 9,478   9,478        
Encumbrances     5,539        
Accumulated Depreciation     1,617        
Date Acquired Nov. 16, 2012            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 9,478            
Shoppes At Tj Maxx [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Shoppes At Tj Maxx [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Twin City Commons [Member]              
Initial Cost              
Land     800        
Building and Improvements     3,041        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     24        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     800        
Building and Improvements     3,065        
Total $ 3,865   3,865        
Encumbrances     3,048        
Accumulated Depreciation     590        
Date Acquired Dec. 18, 2012            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 3,865            
Twin City Commons [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Twin City Commons [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Walnut Hill Plaza [Member]              
Initial Cost              
Land     734        
Building and Improvements     2,414        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     1,324        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     734        
Building and Improvements     3,738        
Total $ 4,472   4,472        
Encumbrances     3,868        
Accumulated Depreciation     1,928        
Date Acquired Dec. 14, 2007            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 4,472            
Walnut Hill Plaza [Member] | Revere Loan [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     1,100        
Walnut Hill Plaza [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Walnut Hill Plaza [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Tampa Festival [Member]              
Initial Cost              
Land     4,653        
Building and Improvements     6,691        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     407        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     4,695        
Building and Improvements     7,056        
Total $ 11,751   11,751        
Encumbrances     8,227        
Accumulated Depreciation     1,377        
Date Acquired Aug. 26, 2013            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 11,751            
Tampa Festival [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Tampa Festival [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Forrest Gallery [Member]              
Initial Cost              
Land     3,015        
Building and Improvements     7,455        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     884        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     3,015        
Building and Improvements     8,339        
Total $ 11,354   11,354        
Encumbrances     8,529        
Accumulated Depreciation     1,552        
Date Acquired Aug. 29, 2013            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 11,354            
Forrest Gallery [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Forrest Gallery [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Jenks Plaza [Member]              
Initial Cost              
Land     498        
Building and Improvements     918        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     227        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     498        
Building and Improvements     1,145        
Total $ 1,643   1,643        
Accumulated Depreciation     207        
Date Acquired Dec. 17, 2013            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 1,643            
Jenks Plaza [Member] | Revere Loan [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     1,100        
Jenks Plaza [Member] | Line of Credit [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     3,000        
Jenks Plaza [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Jenks Plaza [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Winslow Plaza [Member]              
Initial Cost              
Land     1,325        
Building and Improvements     3,684        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     205        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     1,370        
Building and Improvements     3,844        
Total $ 5,214   5,214        
Encumbrances     4,620        
Accumulated Depreciation     784        
Date Acquired Dec. 19, 2013            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 5,214            
Winslow Plaza [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Winslow Plaza [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Clover Plaza [Member]              
Initial Cost              
Land     356        
Building and Improvements     1,197        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     26        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     356        
Building and Improvements     1,223        
Total $ 1,579   1,579        
Encumbrances     2,018        
Accumulated Depreciation     176        
Date Acquired Dec. 23, 2013            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 1,579            
Clover Plaza [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Clover Plaza [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
St George Plaza [Member]              
Initial Cost              
Land     706        
Building and Improvements     1,264        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     46        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     752        
Building and Improvements     1,264        
Total $ 2,016   2,016        
Encumbrances     2,544        
Accumulated Depreciation     198        
Date Acquired Dec. 23, 2013            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 2,016            
St George Plaza [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
St George Plaza [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
South Square [Member]              
Initial Cost              
Land     353        
Building and Improvements     1,911        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     10        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     353        
Building and Improvements     1,921        
Total $ 2,274   2,274        
Encumbrances     2,072        
Accumulated Depreciation     252        
Date Acquired Dec. 23, 2013            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 2,274            
South Square [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
South Square [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Westland Square [Member]              
Initial Cost              
Land     887        
Building and Improvements     1,710        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     55        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     901        
Building and Improvements     1,751        
Total $ 2,652   2,652        
Encumbrances     2,644        
Accumulated Depreciation     249        
Date Acquired Dec. 23, 2013            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 2,652            
Westland Square [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Westland Square [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Waterway Plaza [Member]              
Initial Cost              
Land     1,280        
Building and Improvements     1,248        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     136        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     1,280        
Building and Improvements     1,384        
Total $ 2,664   2,664        
Encumbrances     2,589        
Accumulated Depreciation     189        
Date Acquired Dec. 23, 2013            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 2,664            
Waterway Plaza [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Waterway Plaza [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Cypress Shopping Center [Member]              
Initial Cost              
Land     2,064        
Building and Improvements     4,579        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     251        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     2,064        
Building and Improvements     4,830        
Total $ 6,894   6,894        
Encumbrances     6,379        
Accumulated Depreciation     606        
Date Acquired Jul. 01, 2014            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 6,894            
Cypress Shopping Center [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Cypress Shopping Center [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Harrodsburg Marketplace [Member]              
Initial Cost              
Land     1,431        
Building and Improvements     2,485        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     78        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     1,509        
Building and Improvements     2,485        
Total $ 3,994   3,994        
Encumbrances     3,486        
Accumulated Depreciation     356        
Date Acquired Jul. 01, 2014            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 3,994            
Harrodsburg Marketplace [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Harrodsburg Marketplace [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Port Crossing Shopping Center [Member]              
Initial Cost              
Land     792        
Building and Improvements     6,921        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     102        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     792        
Building and Improvements     7,023        
Total $ 7,815   7,815        
Encumbrances     6,150        
Accumulated Depreciation     1,438        
Date Acquired Jul. 03, 2014            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 7,815            
Port Crossing Shopping Center [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Port Crossing Shopping Center [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
LaGrange Marketplace [Member]              
Initial Cost              
Land     390        
Building and Improvements     2,648        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     285        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     430        
Building and Improvements     2,893        
Total $ 3,323   3,323        
Accumulated Depreciation     457        
Date Acquired Jul. 25, 2014            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 3,323            
LaGrange Marketplace [Member] | Revere Loan [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     1,100        
LaGrange Marketplace [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
LaGrange Marketplace [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
DF I-Courtland [Member] | Revere Loan [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     1,100        
Edenton Commons [Member] | Revere Loan [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     1,100        
DF I-Moyock [Member] | Revere Loan [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     1,100        
Freeway Junction [Member]              
Initial Cost              
Land     1,521        
Building and Improvements     6,755        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     8        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     1,521        
Building and Improvements     6,763        
Total $ 8,284   8,284        
Encumbrances     7,863        
Accumulated Depreciation     955        
Date Acquired Sep. 04, 2014            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 8,284            
Freeway Junction [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Freeway Junction [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Graystone Crossing [Member]              
Initial Cost              
Land     922        
Building and Improvements     2,856        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     0        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     922        
Building and Improvements     2,856        
Total $ 3,778   3,778        
Encumbrances     3,863        
Accumulated Depreciation     302        
Date Acquired Sep. 26, 2014            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 3,778            
Graystone Crossing [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Graystone Crossing [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Bryan Station [Member]              
Initial Cost              
Land     1,658        
Building and Improvements     2,756        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     57        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     1,658        
Building and Improvements     2,813        
Total $ 4,471   4,471        
Encumbrances     4,472        
Accumulated Depreciation     378        
Date Acquired Oct. 02, 2014            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 4,471            
Bryan Station [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Bryan Station [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Crockett Square [Member]              
Initial Cost              
Land     1,546        
Building and Improvements     6,834        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     183        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     1,565        
Building and Improvements     6,998        
Total $ 8,563   8,563        
Encumbrances     6,338        
Accumulated Depreciation     950        
Date Acquired Nov. 05, 2014            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 8,563            
Crockett Square [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Crockett Square [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Harbor Point (undeveloped land) [Member]              
Gross Amount at which Carried at End of Period              
Encumbrances     460        
Accumulated Depreciation     0        
Date Acquired Nov. 21, 2014            
Harbor Point (undeveloped land) [Member] | Revere Loan [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     1,100        
Harbor Point [Member]              
Initial Cost              
Land     1,538        
Building and Improvements     0        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     134        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     1,665        
Building and Improvements     7        
Total $ 1,672   1,672        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period 1,672            
DF I-Berkley [Member]              
Initial Cost              
Land     250        
Building and Improvements     0        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     0        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     250        
Building and Improvements     0        
Total $ 250   250        
Accumulated Depreciation     0        
Date Acquired Dec. 01, 2014            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 250            
DF I-Berkley [Member] | Revere Loan [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     1,100        
Pierpont Centre [Member]              
Initial Cost              
Land     484        
Building and Improvements     9,221        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     30        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     504        
Building and Improvements     9,231        
Total $ 9,735   9,735        
Encumbrances     8,113        
Accumulated Depreciation     1,174        
Date Acquired Jan. 14, 2015            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 9,735            
Pierpont Centre [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Pierpont Centre [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Brook Run Properties [Member]              
Initial Cost              
Land     300        
Building and Improvements     0        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     8        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     300        
Building and Improvements     8        
Total $ 308   308        
Accumulated Depreciation     0        
Date Acquired Mar. 27, 2015            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 308            
Brook Run Properties [Member] | Revere Loan [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     1,100        
Alex City Marketplace [Member]              
Initial Cost              
Land     454        
Building and Improvements     7,837        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     1,488        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     577        
Building and Improvements     9,202        
Total $ 9,779   9,779        
Encumbrances     5,750        
Accumulated Depreciation     1,001        
Date Acquired Apr. 01, 2015            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 9,779            
Alex City Marketplace [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Alex City Marketplace [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Butler Square [Member]              
Initial Cost              
Land     1,024        
Building and Improvements     6,401        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     192        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     1,024        
Building and Improvements     6,593        
Total $ 7,617   7,617        
Encumbrances     5,640        
Accumulated Depreciation     687        
Date Acquired Apr. 15, 2015            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 7,617            
Butler Square [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Butler Square [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Brook Run Shopping Center [Member]              
Initial Cost              
Land     2,209        
Building and Improvements     12,919        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     520        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     2,256        
Building and Improvements     13,392        
Total $ 15,648   15,648        
Encumbrances     10,950        
Accumulated Depreciation     2,598        
Date Acquired Jun. 02, 2015            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 15,648            
Brook Run Shopping Center [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Brook Run Shopping Center [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Beaver Ruin Village [Member]              
Initial Cost              
Land     2,604        
Building and Improvements     8,284        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     19        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     2,604        
Building and Improvements     8,303        
Total $ 10,907   10,907        
Accumulated Depreciation     870        
Date Acquired Jul. 01, 2015            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 10,907            
Beaver Ruin Village [Member] | Mortgages [Member] | Beaver Village I and II [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     9,400        
Beaver Ruin Village [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Beaver Ruin Village [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Beaver Ruin Village II [Member]              
Initial Cost              
Land     1,153        
Building and Improvements     2,809        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     5        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     1,153        
Building and Improvements     2,814        
Total $ 3,967   3,967        
Accumulated Depreciation     280        
Date Acquired Jul. 01, 2015            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 3,967            
Beaver Ruin Village II [Member] | Mortgages [Member] | Beaver Village I and II [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     9,400        
Beaver Ruin Village II [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Beaver Ruin Village II [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Columbia Fire Station [Member]              
Initial Cost              
Land     1,706        
Building and Improvements     599        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     4,780        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     1,706        
Building and Improvements     5,379        
Total $ 7,085   7,085        
Encumbrances     4,189        
Accumulated Depreciation     73        
Date Acquired Jul. 01, 2015            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 7,085            
Columbia Fire Station [Member] | Revere Loan [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     1,100        
Columbia Fire Station [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Columbia Fire Station [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Chesapeake Square [Member]              
Initial Cost              
Land     895        
Building and Improvements     4,112        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     900        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     1,232        
Building and Improvements     4,675        
Total $ 5,907   5,907        
Encumbrances     4,434        
Accumulated Depreciation     660        
Date Acquired Jul. 10, 2015            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 5,907            
Chesapeake Square [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Chesapeake Square [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Sunshine Plaza [Member]              
Initial Cost              
Land     1,183        
Building and Improvements     6,368        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     131        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     1,183        
Building and Improvements     6,499        
Total $ 7,682   7,682        
Encumbrances     5,900        
Accumulated Depreciation     690        
Date Acquired Jul. 21, 2015            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 7,682            
Sunshine Plaza [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Sunshine Plaza [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Barnett Portfolio [Member]              
Initial Cost              
Land     3,107        
Building and Improvements     8,912        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     141        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     3,193        
Building and Improvements     8,967        
Total $ 12,160   12,160        
Encumbrances     8,770        
Accumulated Depreciation     1,055        
Date Acquired Aug. 21, 2015            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 12,160            
Barnett Portfolio [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Barnett Portfolio [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Grove Park Shopping Center [Member]              
Initial Cost              
Land     722        
Building and Improvements     4,590        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     3        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     722        
Building and Improvements     4,593        
Total $ 5,315   5,315        
Encumbrances     3,800        
Accumulated Depreciation     585        
Date Acquired Sep. 09, 2015            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 5,315            
Grove Park Shopping Center [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Grove Park Shopping Center [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Parkway Plaza Shopping Center [Member]              
Initial Cost              
Land     772        
Building and Improvements     4,230        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     47        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     778        
Building and Improvements     4,271        
Total $ 5,049   5,049        
Encumbrances     3,500        
Accumulated Depreciation     440        
Date Acquired Sep. 15, 2015            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 5,049            
Parkway Plaza Shopping Center [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Parkway Plaza Shopping Center [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Ft. Howard Square [Member]              
Initial Cost              
Land     1,890        
Building and Improvements     7,350        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     246        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     1,928        
Building and Improvements     7,558        
Total $ 9,486   9,486        
Encumbrances     7,100        
Accumulated Depreciation     724        
Date Acquired Sep. 30, 2015            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 9,486            
Ft. Howard Square [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Ft. Howard Square [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Conyers Crossing [Member]              
Initial Cost              
Land     2,034        
Building and Improvements     6,820        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     0        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     2,034        
Building and Improvements     6,820        
Total $ 8,854   8,854        
Encumbrances     5,960        
Accumulated Depreciation     891        
Date Acquired Sep. 30, 2015            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 8,854            
Conyers Crossing [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Conyers Crossing [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
LBP Vauxhall [Member]              
Initial Cost              
Land     0        
Building and Improvements     0        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     1        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     0        
Building and Improvements     1        
Total $ 1   1        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period 1            
Darien Shopping Center [Member]              
Initial Cost              
Land     188        
Building and Improvements     1,054        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     0        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     188        
Building and Improvements     1,054        
Total $ 1,242   1,242        
Accumulated Depreciation     90        
Date Acquired Apr. 12, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 1,242            
Darien Shopping Center [Member] | Mortgages [Member] | KeyBank [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     52,100        
Darien Shopping Center [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Darien Shopping Center [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Devine Street [Member]              
Initial Cost              
Land     365        
Building and Improvements     1,941        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     0        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     365        
Building and Improvements     1,941        
Total $ 2,306   2,306        
Accumulated Depreciation     148        
Date Acquired Apr. 12, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 2,306            
Devine Street [Member] | Mortgages [Member] | KeyBank [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     52,100        
Devine Street [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Devine Street [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Folly Road [Member]              
Initial Cost              
Land     5,992        
Building and Improvements     4,527        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     0        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     5,992        
Building and Improvements     4,527        
Total $ 10,519   10,519        
Encumbrances     6,073        
Accumulated Depreciation     357        
Date Acquired Apr. 12, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 10,519            
Folly Road [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Folly Road [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Georgetown [Member]              
Initial Cost              
Land     742        
Building and Improvements     1,917        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     93        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     742        
Building and Improvements     2,010        
Total $ 2,752   2,752        
Accumulated Depreciation     156        
Date Acquired Apr. 12, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 2,752            
Georgetown [Member] | Georgetown Ridgeland Lagrange [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     5,740        
Georgetown [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Georgetown [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Ladson Crossing [Member]              
Initial Cost              
Land     2,981        
Building and Improvements     3,920        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     21        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     2,981        
Building and Improvements     3,941        
Total $ 6,922   6,922        
Accumulated Depreciation     328        
Date Acquired Apr. 12, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 6,922            
Ladson Crossing [Member] | Ladson Crossing, Lake Greenwood and South Park [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     7,600        
Ladson Crossing [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Ladson Crossing [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Lake Greenwood Crossing [Member]              
Initial Cost              
Land     550        
Building and Improvements     2,499        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     18        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     550        
Building and Improvements     2,517        
Total $ 3,067   3,067        
Accumulated Depreciation     202        
Date Acquired Apr. 12, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 3,067            
Lake Greenwood Crossing [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Lake Greenwood Crossing [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Lake Murray [Member]              
Initial Cost              
Land     447        
Building and Improvements     1,537        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     0        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     447        
Building and Improvements     1,537        
Total $ 1,984   1,984        
Accumulated Depreciation     155        
Date Acquired Apr. 12, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 1,984            
Lake Murray [Member] | Ladson Crossing, Lake Greenwood and South Park [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     7,600        
Lake Murray [Member] | Mortgages [Member] | KeyBank [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     52,100        
Lake Murray [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Lake Murray [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Litchfield I [Member]              
Initial Cost              
Land     568        
Building and Improvements     929        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     0        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     568        
Building and Improvements     929        
Total $ 1,497   1,497        
Accumulated Depreciation     93        
Date Acquired Apr. 12, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 1,497            
Litchfield I [Member] | Mortgages [Member] | KeyBank [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     52,100        
Litchfield I [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Litchfield I [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Litchfield II [Member]              
Initial Cost              
Land     568        
Building and Improvements     936        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     0        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     568        
Building and Improvements     936        
Total $ 1,504   1,504        
Accumulated Depreciation     106        
Date Acquired Apr. 12, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 1,504            
Litchfield II [Member] | Mortgages [Member] | KeyBank [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     52,100        
Litchfield II [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Litchfield II [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Litchfield Market Village [Member]              
Initial Cost              
Land     2,970        
Building and Improvements     4,716        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     29        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     2,970        
Building and Improvements     4,745        
Total $ 7,715   7,715        
Accumulated Depreciation     414        
Date Acquired Apr. 12, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 7,715            
Litchfield Market Village [Member] | Mortgages [Member] | KeyBank [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     52,100        
Litchfield Market Village [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Litchfield Market Village [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Moncks Corner [Member]              
Initial Cost              
Land     0        
Building and Improvements     1,109        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     0        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     0        
Building and Improvements     1,109        
Total $ 1,109   1,109        
Accumulated Depreciation     94        
Date Acquired Apr. 12, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 1,109            
Moncks Corner [Member] | Mortgages [Member] | KeyBank [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     52,100        
Moncks Corner [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Moncks Corner [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Ridgeland [Member]              
Initial Cost              
Land     203        
Building and Improvements     376        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     0        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     203        
Building and Improvements     376        
Total $ 579   579        
Accumulated Depreciation     38        
Date Acquired Apr. 12, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 579            
Ridgeland [Member] | Georgetown Ridgeland Lagrange [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     5,740        
Ridgeland [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Ridgeland [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Shoppes at Myrtle Park [Member]              
Initial Cost              
Land     3,182        
Building and Improvements     5,360        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     816        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     3,182        
Building and Improvements     6,176        
Total $ 9,358   9,358        
Accumulated Depreciation     466        
Date Acquired Apr. 12, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 9,358            
Shoppes at Myrtle Park [Member] | Mortgages [Member] | KeyBank [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     52,100        
Shoppes at Myrtle Park [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Shoppes at Myrtle Park [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
South Lake [Member]              
Initial Cost              
Land     804        
Building and Improvements     2,025        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     (37)        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     804        
Building and Improvements     1,988        
Total $ 2,792   2,792        
Accumulated Depreciation     158        
Date Acquired Apr. 12, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 2,792            
South Lake [Member] | Mortgages [Member] | KeyBank [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     52,100        
South Lake [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
South Lake [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
South Park [Member]              
Initial Cost              
Land     943        
Building and Improvements     2,967        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     (21)        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     943        
Building and Improvements     2,946        
Total $ 3,889   3,889        
Accumulated Depreciation     220        
Date Acquired Apr. 12, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 3,889            
South Park [Member] | Ladson Crossing, Lake Greenwood and South Park [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     7,600        
St. Matthews [Member]              
Initial Cost              
Land     338        
Building and Improvements     1,941        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     (9)        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     338        
Building and Improvements     1,932        
Total $ 2,270   2,270        
Accumulated Depreciation     138        
Date Acquired Apr. 12, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 2,270            
St. Matthews [Member] | Mortgages [Member] | Berkley/Sangaree/Tri-County              
Gross Amount at which Carried at End of Period              
Mortgage note     9,400        
St. Matthews [Member] | Mortgages [Member] | KeyBank [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     52,100        
St. Matthews [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
St. Matthews [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Berkley [Member]              
Initial Cost              
Land     1,005        
Building and Improvements     2,865        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     (62)        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     1,005        
Building and Improvements     2,803        
Total $ 3,808   3,808        
Accumulated Depreciation     191        
Date Acquired Nov. 10, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 3,808            
Berkley [Member] | Mortgages [Member] | Berkley/Sangaree/Tri-County              
Gross Amount at which Carried at End of Period              
Mortgage note     9,400        
Berkley [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Berkley [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Sangaree [Member]              
Initial Cost              
Land     2,302        
Building and Improvements     2,922        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     236        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     2,503        
Building and Improvements     2,957        
Total $ 5,460   5,460        
Accumulated Depreciation     319        
Date Acquired Nov. 10, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 5,460            
Sangaree [Member] | Mortgages [Member] | Berkley/Sangaree/Tri-County              
Gross Amount at which Carried at End of Period              
Mortgage note     9,400        
Sangaree [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Sangaree [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Tri-county [Member]              
Initial Cost              
Land     411        
Building and Improvements     3,421        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     139        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     552        
Building and Improvements     3,419        
Total $ 3,971   3,971        
Accumulated Depreciation     325        
Date Acquired Nov. 10, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 3,971            
Tri-county [Member] | Mortgages [Member] | Berkley/Sangaree/Tri-County              
Gross Amount at which Carried at End of Period              
Mortgage note     9,400        
Tri-county [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Tri-county [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Riverbridge [Member]              
Initial Cost              
Land     774        
Building and Improvements     5,384        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     0        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     774        
Building and Improvements     5,384        
Total $ 6,158   6,158        
Encumbrances     4,000        
Accumulated Depreciation     384        
Date Acquired Nov. 15, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 6,158            
Riverbridge [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Riverbridge [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Laburnum Square [Member]              
Initial Cost              
Land     3,736        
Building and Improvements     5,928        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     115        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     3,736        
Building and Improvements     6,043        
Total $ 9,779   9,779        
Accumulated Depreciation     403        
Date Acquired Dec. 07, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 9,779            
Laburnum Square [Member] | Mortgages [Member] | KeyBank [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     52,100        
Laburnum Square [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Laburnum Square [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Franklin Village [Member]              
Initial Cost              
Land     2,608        
Building and Improvements     9,426        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     0        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     2,608        
Building and Improvements     9,426        
Total $ 12,034   12,034        
Encumbrances     8,516        
Accumulated Depreciation     574        
Date Acquired Dec. 12, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 12,034            
Franklin Village [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Franklin Village [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Village at Martinsville [Member]              
Initial Cost              
Land     5,208        
Building and Improvements     12,879        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     0        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     5,208        
Building and Improvements     12,879        
Total $ 18,087   18,087        
Accumulated Depreciation     888        
Date Acquired Dec. 16, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 18,087            
Village at Martinsville [Member] | Mortgages [Member] | KeyBank [Member]              
Gross Amount at which Carried at End of Period              
Mortgage note     52,100        
Village at Martinsville [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Village at Martinsville [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
New Market [Member]              
Initial Cost              
Land     993        
Building and Improvements     5,216        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     363        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     1,042        
Building and Improvements     5,530        
Total $ 6,572   6,572        
Encumbrances     6,907        
Accumulated Depreciation     342        
Date Acquired Dec. 20, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 6,572            
New Market [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
New Market [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
Rivergate Shopping Center [Member]              
Initial Cost              
Land     1,570        
Building and Improvements     30,694        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     89        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     1,570        
Building and Improvements     30,783        
Total $ 32,353   32,353        
Encumbrances     22,117        
Accumulated Depreciation     1,833        
Date Acquired Dec. 21, 2016            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 32,353            
Rivergate Shopping Center [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
Rivergate Shopping Center [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
JANAF Acquisition [Member]              
Initial Cost              
Land     8,267        
Building and Improvements     66,856        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     21        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     8,267        
Building and Improvements     66,877        
Total $ 75,144   75,144        
Encumbrances     63,818        
Accumulated Depreciation     1,946        
Date Acquired Jan. 18, 2018            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 75,144            
JANAF Acquisition [Member] | Minimum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 5 years            
JANAF Acquisition [Member] | Maximum [Member]              
Gross Amount at which Carried at End of Period              
Depreciation Life 40 years            
DF I-Courtland [Member]              
Initial Cost              
Land     196        
Building and Improvements     0        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     0        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     196        
Building and Improvements     0        
Total $ 196   196        
Accumulated Depreciation     0        
Date Acquired Aug. 15, 2014            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 196            
Edenton Commons [Member]              
Initial Cost              
Land     746        
Building and Improvements     0        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     0        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     746        
Building and Improvements     0        
Total $ 746   746        
Accumulated Depreciation     0        
Date Acquired Aug. 15, 2014            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 746            
DF I-Moyock [Member]              
Initial Cost              
Land     179        
Building and Improvements     0        
Costs Capitalized Subsequent to Acquisition              
Improvements (net)     0        
Carrying Costs     0        
Gross Amount at which Carried at End of Period              
Land     179        
Building and Improvements     0        
Total $ 179   179        
Encumbrances     73        
Accumulated Depreciation     $ 0        
Date Acquired Aug. 15, 2014            
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]              
Balance at end of period $ 179