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Post Retirement Benefits (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Pension, health and life insurance expense:    
Multi-employer plan $ 214 $ 238
Defined contribution plan 506 528
Total pension expense 720 766
Interest cost 23 66
Amortization of prior service credits (124) (124)
Amortization of net loss (37) 6
Net periodic benefit credit (138) (52)
Total post-retirement benefits expense 582 $ 714
Pension Plan    
Pension, health and life insurance expense:    
Payments made to pension plans 550  
Pension plan payments expected to be made in fiscal year 1,803  
Pension plan payments accrued 920  
Other Postretirement Benefits Plan    
Pension, health and life insurance expense:    
Payments for post retirement healthcare and life insurance 131  
Pension plan payments expected to be made in fiscal year 167  
Pension plan payments accrued $ 167