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EMPLOYEE BENEFIT PLANS - Funded status of Retirement Income Plan (Details) - Retirement Income Plan - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
EMPLOYEE BENEFIT PLANS      
Accumulated benefit obligation at end of year $ 3,146,000 $ 5,832,000  
Change in projected benefit obligation:      
Benefit obligation at beginning of year 5,832,000 5,576,000  
Service cost 0 0  
Interest cost 133,000 147,000 $ 230,000
Actuarial loss (1,045,000) 347,000  
Benefits paid (322,000) (238,000)  
Settlement (1,452,000) 0  
Projected benefit obligation at end of year 3,146,000 5,832,000 5,576,000
Change in plan assets:      
Fair value of plan assets at beginning of year 6,870,000 7,351,000  
Actual return on plan assets (1,594,000) (243,000)  
Benefits paid (322,000) (238,000)  
Settlement (1,452,000) 0  
Fair value of plan assets at end of year 3,502,000 6,870,000 $ 7,351,000
Funded status at end of year 356,000 1,038,000  
Amounts recognized in the consolidated balance sheets consist of:      
Amounts recognized in balance sheet 356,000 1,038,000  
Amounts (pre-tax) recognized in accumulated other comprehensive loss consist of:      
Net loss 2,558,000 3,303,000  
Prior service cost (credit) 0 0  
Amounts (pre-tax) recognized in accumulated other comprehensive loss 2,558,000 3,303,000  
Pension plan assets      
Amounts recognized in the consolidated balance sheets consist of:      
Amounts recognized in balance sheet 356,000 0  
Noncurrent other assets      
Amounts recognized in the consolidated balance sheets consist of:      
Amounts recognized in balance sheet $ 0 $ 1,038,000