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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Buildings and Equipment) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Property, Plant and Equipment [Line Items]    
Property plant and equipment gross $ 13,554 $ 13,723
Accumulated depreciation (8,214) (8,223)
Net buildings and equipment $ 5,340 5,500
Minimum    
Property, Plant and Equipment [Line Items]    
Estimated useful life of properties and equipment 3 years  
Maximum    
Property, Plant and Equipment [Line Items]    
Estimated useful life of properties and equipment 39 years  
Buildings    
Property, Plant and Equipment [Line Items]    
Property plant and equipment gross $ 9,375 9,716
Equipment    
Property, Plant and Equipment [Line Items]    
Property plant and equipment gross 3,514 3,343
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Property plant and equipment gross $ 665 $ 664