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Post Retirement Benefits (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Pension, health and life insurance expense:    
Multi-employer plan $ 238 $ 207
Defined contribution plan 528 365
Total pension expense 766 572
Interest cost 66 50
Amortization of prior service credits (124) (124)
Amortization of net loss 6 43
Net periodic benefit credit (52) (31)
Total post-retirement benefits expense 714 $ 541
Pension Plan    
Pension, health and life insurance expense:    
Payments made to pension plans 624  
Pension plan payments expected to be made in fiscal year 2,425  
Pension plan payments accrued 774  
Other Postretirement Benefits Plan    
Pension, health and life insurance expense:    
Payments for post retirement healthcare and life insurance 149  
Pension plan payments expected to be made in fiscal year 1,285  
Pension plan payments accrued $ 1,285