NOTES PAYABLE AND LONG-TERM DEBT (Schedule of Long-Term Debt) (Details) - USD ($) $ in Thousands			6 Months Ended
	Jun. 21, 2007	Dec. 15, 2005	Jun. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Long-term debt			$ 13,183	$ 13,177
Unsecured Debt | Promissory Note
Debt Instrument [Line Items]
Interest rate description			WSJ
Basis spread on variable rate			0.50%
Floor			4.75%
Long-term debt			$ 1,000	1,000
Unsecured Debt | Trust Preferred Security Offering, 2005
Debt Instrument [Line Items]
Debt issuance costs, net			136	140
Long-term debt			9,143	9,139
Unsecured Debt | Trust Preferred Security Offering, 2005 | Three-month LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate		3.75%
Unsecured Debt | Trust Preferred Security Offering, 2007
Debt Instrument [Line Items]
Debt issuance costs, net			53	55
Long-term debt			$ 3,040	$ 3,038
Unsecured Debt | Trust Preferred Security Offering, 2007 | Three-month LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	3.40%