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PENSION PLAN AND OTHER BENEFIT PLANS - Net Periodic Benefit Cost (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Pension Plan    
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 0 $ 0
Interest cost 1,084 1,300
Expected return on plan assets (2,696) (2,444)
Recognized actuarial loss 151 213
Amortization of  prior service cost 0 0
Recognized (gain) loss due to settlements 0 0
Net periodic cost (benefit) (1,461) (931)
Other Postretirement Benefit Plan    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 0 0
Interest cost 6 9
Expected return on plan assets 0 0
Recognized actuarial loss 42 74
Amortization of  prior service cost (220) (220)
Recognized prior service benefit due to curtailments 0 0
Net periodic cost (benefit) (172) (137)
Executive Supplemental Pension Plan    
Defined Benefit Plan Disclosure [Line Items]    
Service cost 0 0
Interest cost 31 39
Recognized actuarial loss 19 13
Net periodic cost (benefit) $ 50 $ 52