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NOTES AND INTEREST RECEIVABLE FROM RELATED PARTIES (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2018
Dec. 31, 2017
Total $ 13,577 $ 14,030
Performing Loans [Member]    
Accrued interest 451  
Total $ 13,577  
Performing Loans [Member] | Unified Housing Foundation, Inc. (Echo Station) [Member]    
Maturity date Dec. 31, 2032  
Interest Rate 12.00%  
Description of property Echo Station  
Amount $ 1,481  
Collateral Secured  
Performing Loans [Member] | Unified Housing Foundation, Inc. (Lakeshore Villas) [Member]    
Maturity date Dec. 31, 2032  
Interest Rate 12.00%  
Description of property Lakeshore Villas  
Amount $ 2,000  
Collateral Secured  
Performing Loans [Member] | Unified Housing Foundation, Inc. (Lakeshore Villas) [Member]    
Maturity date Dec. 31, 2032  
Interest Rate 12.00%  
Description of property Lakeshore Villas  
Amount $ 6,369  
Collateral Secured  
Performing Loans [Member] | Unified Housing Foundation, Inc. (Limestone Ranch) [Member]    
Maturity date Dec. 31, 2032  
Interest Rate 12.00%  
Description of property Limestone Ranch  
Amount $ 1,953  
Collateral Secured  
Performing Loans [Member] | Unified Housing Foundation, Inc. (Timbers of Terrell) [Member]    
Maturity date Dec. 31, 2032  
Interest Rate 12.00%  
Description of property Timbers of Terrell  
Amount $ 1,323  
Collateral Secured