Annual report pursuant to Section 13 and 15(d)

Organization and Basis of Presentation and Consolidation (Details)

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Organization and Basis of Presentation and Consolidation (Details)
 12 Months Ended
Dec. 31, 2018
ft²
Property
Buildings
Building
Real Estate Properties [Line Items]  
Number of properties | Buildings 64
Number of office buildings in portfolio | Building 1
Number of undeveloped real estate properties 6
Total net rentable space in Company's portfolio | ft² 5,716,000
Occupancy level 89.11%
VIRGINIA  
Real Estate Properties [Line Items]  
Number of properties 13
FLORIDA  
Real Estate Properties [Line Items]  
Number of properties 3
NORTH CAROLINA  
Real Estate Properties [Line Items]  
Number of properties 7
SOUTH CAROLINA  
Real Estate Properties [Line Items]  
Number of properties 25
GEORGIA  
Real Estate Properties [Line Items]  
Number of properties 12
KENTUCKY  
Real Estate Properties [Line Items]  
Number of properties 2
TENNESSEE  
Real Estate Properties [Line Items]  
Number of properties 2
NEW JERSEY  
Real Estate Properties [Line Items]  
Number of properties 1
ALABAMA  
Real Estate Properties [Line Items]  
Number of properties 1
WEST VIRGINIA  
Real Estate Properties [Line Items]  
Number of properties 1
OKLAHOMA  
Real Estate Properties [Line Items]  
Number of properties 3
PENNSYLVANIA  
Real Estate Properties [Line Items]  
Number of properties 1