INCOME TAXES (Textuals) (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Operating Loss Carryforwards [Line Items]
Operating loss carryforward, amount expected to be utilized on an annual basis	$ 6,900,000
Domestic Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	96,000,000	$ 124,400,000
Operating loss carryforward, amount expected to be utilized on an annual basis	21,500,000
Operating Loss And General Business Credits Utilization Limit	110,000
Tax basis bad debt reserves for which no income tax liability has been booked	5,400,000	5,400,000
Unrecognized deferred tax liability related to bad debt reserves	1,100,000
Domestic Tax Authority [Member] | General Business Tax Credit Carryforward [Member]
Operating Loss Carryforwards [Line Items]
Federal and state tax credit carryforwards	3,300,000	3,300,000
Domestic Tax Authority [Member] | Alternative Minimum Tax Credit Carryforward [Member]
Operating Loss Carryforwards [Line Items]
Federal and state tax credit carryforwards	4,200,000	4,200,000
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	72,500,000	$ 76,300,000
Operating loss carryforwards, valuation allowance	184,000
Minimum [Member] | State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforward, amount expected to be utilized on an annual basis	525,000
Maximum [Member] | State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforward, amount expected to be utilized on an annual basis	$ 21,500,000