XML 52 R41.htm IDEA: XBRL DOCUMENT v3.10.0.1
Notes Receivable (Details) - USD ($)
Oct. 23, 2018
Oct. 04, 2018
Oct. 02, 2018
Sep. 30, 2018
Sep. 18, 2018
Aug. 31, 2018
Dec. 31, 2017
Nov. 10, 2016
Sep. 30, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Notes receivable       $ 100,486,000     $ 83,058,000    
1405 Point                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Purchase option, percentage of development               88.00%  
1405 Point | Financial Guarantee                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Guarantor obligations, maximum exposure (up to)               $ 25,000,000.0  
1405 Point | Financial Guarantee | Letter of Credit                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Credit facility, amount outstanding       2,100,000          
1405 Point | Construction loans | Beatty Development Group                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Maximum borrowing capacity               $ 67,000,000  
The Residences at Annapolis Junction | Financial Guarantee                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Guarantor obligations, maximum exposure (up to)                 $ 25,000,000
The Residences at Annapolis Junction | AJAO                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Purchase option, percentage of development                 88.00%
The Residences at Annapolis Junction | Construction loans | AJAO                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Maximum borrowing capacity                 $ 60,000,000
Shopping Center in Summerville, South Carolina | Bridge loan                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Notes receivable           $ 2,200,000      
Interest rate           10.00%      
Subsequent Event | The Residences at Annapolis Junction | AJAO                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Purchase option, selling price   $ 5,000,000              
Subsequent Event | The Residences at Annapolis Junction | Construction loans | AJAO                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Expiration period   12 months              
Duration of extension option   12 months              
Subsequent Event | The Interlock In West Midtown Atlanta | Bridge loan                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Maximum loan commitment $ 4,000,000   $ 3,000,000            
Interest rate     15.00%            
Additional advances $ 700,000                
Mezzanine Loan                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Notes receivable       99,230,000     82,634,000    
Maximum loan commitment       121,447,000          
Mezzanine Loan | 1405 Point                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Notes receivable       28,133,000     22,444,000    
Maximum loan commitment       $ 28,232,000          
Interest rate       8.00%          
Mezzanine Loan | The Residences at Annapolis Junction                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Notes receivable       $ 46,396,000     43,021,000    
Maximum loan commitment       $ 48,105,000          
Interest rate       10.00%          
Mezzanine Loan | North Decatur Square                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Notes receivable       $ 15,703,000     $ 11,790,000    
Maximum loan commitment       $ 29,673,000 $ 29,700,000        
Interest rate       15.00%          
Mezzanine Loan | Subsequent Event | North Decatur Square                  
Accounts, Notes, Loans and Financing Receivable [Line Items]                  
Additional advances     $ 2,200,000