Quarterly report pursuant to Section 13 or 15(d)

Loans Payable - Summary of Loans Payable (Details)

v3.19.2
Loans Payable - Summary of Loans Payable (Details) - USD ($)
6 Months Ended
Jun. 28, 2019
Mar. 29, 2019
Feb. 07, 2019
Jan. 29, 2019
Jan. 11, 2019
Jun. 30, 2019
Jan. 15, 2019
Dec. 31, 2018
Debt Instrument [Line Items]                
Debt instrument, interest rate. stated percentage           5.00%    
Loans payable, net           $ 346,558,000   $ 360,190,000
Total Principal Balance           357,522,000   369,612,000
Unamortized debt issuance cost           (4,467,000)   (5,144,000)
Total Loans Payable, including Assets Held for Sale           353,055,000   364,468,000
Less loans payable on assets held for sale, net loan amortization costs           6,497,000   4,278,000
Harbor Point                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 11,024    
Debt instrument, interest rate. stated percentage           5.85%    
Perimeter Square                
Debt Instrument [Line Items]                
Debt instrument, payment terms           Interest only    
Debt instrument, interest rate. stated percentage           6.50% 6.50%  
Loans payable, net           $ 6,250,000 $ 6,250,000 6,250,000
Perimeter Square Construction Loan                
Debt Instrument [Line Items]                
Debt instrument, payment terms           Interest only    
Debt instrument, interest rate. stated percentage           6.50%    
Loans payable, net           $ 247,000 $ 247,000 247,000
Revere Loan                
Debt Instrument [Line Items]                
Debt instrument, periodic payment   $ 406,000 $ 30,000   $ 323,000 300,000    
Senior convertible notes                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 234,199    
Debt instrument, interest rate. stated percentage           9.00%    
Loans payable, net           $ 0   1,369,000
DF I-Moyock                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           10,665    
Loans payable, net           11,000   73,000
Rivergate                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           150,001    
Loans payable, net           $ 21,831,000   22,117,000
Rivergate | LIBOR                
Debt Instrument [Line Items]                
Debt instrument, basis spread on variable rate           2.95%    
Folly Road                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 32,827    
Debt instrument, interest rate. stated percentage           4.00%    
Loans payable, net           $ 5,998,000   6,073,000
Columbia Fire Station                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 25,452    
Debt instrument, interest rate. stated percentage           4.00%    
Loans payable, net           $ 4,120,000   4,189,000
Shoppes at TJ Maxx                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 33,880    
Debt instrument, interest rate. stated percentage           3.88%    
Loans payable, net           $ 5,443,000   5,539,000
First National Bank Line of Credit                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           24,656    
Loans payable, net           1,325,000   2,938,000
Lumber River                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           10,723    
Loans payable, net           $ 1,427,000   1,448,000
Lumber River | LIBOR                
Debt Instrument [Line Items]                
Debt instrument, basis spread on variable rate           3.50%    
JANAF Bravo                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 36,935    
Debt instrument, interest rate. stated percentage           4.65%    
Loans payable, net           $ 6,442,000   6,500,000
Walnut Hill Plaza                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 26,850    
Debt instrument, interest rate. stated percentage           5.50%    
Loans payable, net           $ 3,814,000   3,868,000
Twin City Commons                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 17,827    
Debt instrument, interest rate. stated percentage           4.86%    
Loans payable, net           $ 3,016,000   3,048,000
New Market                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 48,747    
Debt instrument, interest rate. stated percentage           5.65%    
Loans payable, net           $ 6,811,000   6,907,000
Shoppes at Eagle Harbor                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 53,185    
Debt instrument, interest rate. stated percentage           5.71%    
Loans payable, net           $ 7,466,000   7,567,000
New Market                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 33,340    
Debt instrument, interest rate. stated percentage           5.71%    
Loans payable, net           $ 5,678,000   5,713,000
JANAF                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 333,159    
Debt instrument, interest rate. stated percentage           4.49%    
Loans payable, net           $ 51,432,000   52,253,000
Tampa Festival                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 50,797    
Debt instrument, interest rate. stated percentage           5.56%    
Loans payable, net           $ 8,153,000   8,227,000
JANAF                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 50,973    
Debt instrument, interest rate. stated percentage           5.40%    
Loans payable, net           $ 8,455,000   8,529,000
Riversedge North                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 11,436    
Debt instrument, interest rate. stated percentage           5.77%    
Loans payable, net           $ 1,783,000   1,800,000
Forrest Gallery                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 68,320    
Debt instrument, interest rate. stated percentage           5.25%    
Loans payable, net           $ 11,771,000   11,867,000
Cypress Shopping Center                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 34,360    
Debt instrument, interest rate. stated percentage           4.70%    
Loans payable, net           $ 6,324,000   6,379,000
Port Crossing                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 34,788    
Debt instrument, interest rate. stated percentage           4.84%    
Loans payable, net           $ 6,092,000   6,150,000
Freeway Junction                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 41,798    
Debt instrument, interest rate. stated percentage           4.60%    
Loans payable, net           $ 7,794,000   7,863,000
Harrodsburg Marketplace                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 19,112    
Debt instrument, interest rate. stated percentage           4.55%    
Loans payable, net           $ 3,452,000   3,486,000
Graystone Crossing                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 20,386    
Debt instrument, interest rate. stated percentage           4.55%    
Loans payable, net           $ 0   3,863,000
Bryan Station                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 23,489    
Debt instrument, interest rate. stated percentage           4.52%    
Loans payable, net           $ 4,433,000   4,472,000
Crockett Square                
Debt Instrument [Line Items]                
Debt instrument, payment terms           Interest only    
Debt instrument, interest rate. stated percentage           4.47%    
Loans payable, net           $ 6,338,000   6,338,000
Pierpont Centre                
Debt Instrument [Line Items]                
Debt instrument, payment terms           Interest only    
Debt instrument, interest rate. stated percentage           4.15%    
Loans payable, net           $ 8,113,000   8,113,000
Alex City Marketplace                
Debt Instrument [Line Items]                
Debt instrument, payment terms           Interest only    
Debt instrument, interest rate. stated percentage           3.95%    
Loans payable, net           $ 5,750,000   5,750,000
Butler Square                
Debt Instrument [Line Items]                
Debt instrument, payment terms           Interest only    
Debt instrument, interest rate. stated percentage           3.90%    
Loans payable, net           $ 5,640,000   5,640,000
Brook Run Shopping Center                
Debt Instrument [Line Items]                
Debt instrument, payment terms           Interest only    
Debt instrument, interest rate. stated percentage           4.08%    
Loans payable, net           $ 10,950,000   10,950,000
Beaver Ruin Village I and II                
Debt Instrument [Line Items]                
Debt instrument, payment terms           Interest only    
Debt instrument, interest rate. stated percentage           4.73%    
Loans payable, net           $ 9,400,000   9,400,000
Sunshine Shopping Plaza                
Debt Instrument [Line Items]                
Debt instrument, payment terms           Interest only    
Debt instrument, interest rate. stated percentage           4.57%    
Loans payable, net           $ 5,900,000   5,900,000
Barnett Portfolio                
Debt Instrument [Line Items]                
Debt instrument, payment terms           Interest only    
Debt instrument, interest rate. stated percentage           4.30%    
Loans payable, net           $ 8,770,000   8,770,000
Fort Howard Shopping Center                
Debt Instrument [Line Items]                
Debt instrument, payment terms           Interest only    
Debt instrument, interest rate. stated percentage           4.57%    
Loans payable, net           $ 7,100,000   7,100,000
Conyers Crossing                
Debt Instrument [Line Items]                
Debt instrument, payment terms           Interest only    
Debt instrument, interest rate. stated percentage           4.67%    
Loans payable, net           $ 5,960,000   5,960,000
Grove Park Shopping Center                
Debt Instrument [Line Items]                
Debt instrument, payment terms           Interest only    
Debt instrument, interest rate. stated percentage           4.52%    
Loans payable, net           $ 3,800,000   3,800,000
Parkway Plaza                
Debt Instrument [Line Items]                
Debt instrument, payment terms           Interest only    
Debt instrument, interest rate. stated percentage           4.57%    
Loans payable, net           $ 3,500,000   3,500,000
Winslow Plaza                
Debt Instrument [Line Items]                
Debt instrument, payment terms           Interest only    
Debt instrument, interest rate. stated percentage           4.82%    
Loans payable, net           $ 4,620,000   4,620,000
JANAF BJ's                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 29,964    
Debt instrument, interest rate. stated percentage           4.95%    
Loans payable, net           $ 5,011,000   5,065,000
Chesapeake Square                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 23,857    
Debt instrument, interest rate. stated percentage           4.70%    
Loans payable, net           $ 4,395,000   4,434,000
Berkley/Sangaree/Tri-County                
Debt Instrument [Line Items]                
Debt instrument, payment terms           Interest only    
Debt instrument, interest rate. stated percentage           4.78%    
Loans payable, net           $ 9,400,000   9,400,000
Riverbridge                
Debt Instrument [Line Items]                
Debt instrument, payment terms           Interest only    
Debt instrument, interest rate. stated percentage           4.48%    
Loans payable, net           $ 4,000,000   4,000,000
Franklin                
Debt Instrument [Line Items]                
Debt instrument, payment terms           Interest only    
Debt instrument, interest rate. stated percentage           4.93%    
Loans payable, net           $ 8,516,000   8,516,000
Village of Martinsville                
Debt Instrument [Line Items]                
Debt instrument, periodic payment $ 89,664         $ 89,664    
Debt instrument, interest rate. stated percentage 4.28%         4.28%    
Loans payable, net $ 16,500,000         $ 16,500,000   0
Harbor Point                
Debt Instrument [Line Items]                
Loans payable, net           0   460,000
Revere Loan                
Debt Instrument [Line Items]                
Debt instrument, periodic payment       $ 20,000   $ 109,658    
Debt instrument, interest rate. stated percentage           10.00%    
Loans payable, net           $ 0   1,059,000
Line of Credit | First National Bank Line of Credit | LIBOR                
Debt Instrument [Line Items]                
Debt instrument, basis spread on variable rate           3.00%    
Line of Credit | KeyBank Line of Credit Maturing December 2019                
Debt Instrument [Line Items]                
Debt instrument, periodic payment           $ 250,000    
Loans payable, net           $ 34,291,000   $ 52,102,000
Line of Credit | KeyBank Line of Credit Maturing December 2019 | LIBOR                
Debt Instrument [Line Items]                
Debt instrument, basis spread on variable rate           2.50%