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EMPLOYEE RETIREMENT PLANS - Schedule of change in benefit obligation and plan assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Change in projected benefit obligation      
Service cost $ 445 $ 382  
Interest cost 1,754 1,487  
Change in plan assets      
Benefits paid (4,300)    
Amounts recognized in the consolidated balance sheets consist of:      
Long-term pension liability (15,523) (27,776)  
Amounts recognized in accumulated other comprehensive loss consist of:      
Net amount recognized 11,597 18,011 $ 21,955
Plan Assets      
Change in plan assets      
Fair value of plan assets, beginning of year 44,582    
Fair value of plan assets, end of year 35,927 44,582  
Defined Benefit Pension Plan      
Change in projected benefit obligation      
Projected benefit obligation, beginning of year 52,507 56,026  
Service cost 445 382  
Interest cost 1,243 1,047  
Actuarial gain (12,028) (2,366)  
Benefits paid (2,558) (2,582)  
Projected benefit obligation, end of year 39,609 52,507  
Change in plan assets      
Actual return on plan assets (5,652) 4,402  
Administrative expenses (445) (382)  
Benefits paid (2,558) (2,582)  
Funded status of plan (3,682) (7,925)  
Amounts recognized in the consolidated balance sheets consist of:      
Long-term pension liability (3,682) (7,925)  
Net amount recognized (3,682) (7,925)  
Amounts recognized in accumulated other comprehensive loss consist of:      
Accumulated loss, net of income tax benefit of $3,382, $4,331, $672, and $1,976, respectively 9,629 12,328  
Net amount recognized 9,629 12,328  
Defined Benefit Pension Plan | Plan Assets      
Change in plan assets      
Fair value of plan assets, beginning of year 44,582 43,144  
Fair value of plan assets, end of year 35,927 44,582  
Supplemental Pension Plan      
Change in projected benefit obligation      
Projected benefit obligation, beginning of year 20,343 21,125  
Interest cost 511 440  
Plan settlement (4,276)    
Actuarial gain (3,864) (840)  
Benefits paid (342) (382)  
Projected benefit obligation, end of year 12,372 20,343  
Change in plan assets      
Contributions 4,618 382  
Benefits paid (342) (382)  
Funded status of plan (12,372) (20,343)  
Amounts recognized in the consolidated balance sheets consist of:      
Accrued liabilities - other (531) (492)  
Long-term pension liability (11,841) (19,851)  
Net amount recognized (12,372) (20,343)  
Amounts recognized in accumulated other comprehensive loss consist of:      
Accumulated loss, net of income tax benefit of $3,382, $4,331, $672, and $1,976, respectively 1,914 5,624  
Prior service cost net of income tax benefit of $0, $0, $19 and $20, respectively 54 59  
Net amount recognized $ 1,968 $ 5,683