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INCOME TAXES, Other Tax Information (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
USD ($)
Partnership
Dec. 31, 2020
USD ($)
Partnership
Dec. 31, 2019
USD ($)
Other Tax Information [Abstract]      
Minimum percentages of tax position liable to be realized upon ultimate settlement 50.00%    
Liability for uncertain tax positions $ 0    
Unrecognized tax benefits $ 0    
Number of investments in partnerships | Partnership 5 4  
Other investment sale receivable $ 288 $ 216  
Tax Credit Carryforward [Abstract]      
Investment tax credits 141    
Expected investment tax credit $ 2,951    
Expected tax credits recognition period 12 years    
Amortization of investments in other expenses $ 108 108 $ 108
Investment Tax Credit Carryforward [Member]      
Tax Credit Carryforward [Abstract]      
Tax credits recognition period 1 year    
Tax credits recognized as reduction of tax expense amount $ 141 $ 141 $ 141