v3.26.3
Post Retirement Benefits (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Pension, health and life insurance expense:        
Multi-employer plan $ 117,000 $ 85,000 $ 278,000 $ 333,000
Defined contribution plan 420,000 425,000 1,214,000 1,302,000
Total pension expense 537,000 510,000 1,492,000 1,635,000
Interest cost 29,000 29,000 87,000 89,000
Amortization of prior service credits (124,000) (124,000) (372,000) (372,000)
Amortization of net gain (22,000) (22,000) (66,000) (61,000)
Net periodic benefit credit (117,000) (117,000) (351,000) (344,000)
Total post-retirement benefits expense 420,000 $ 393,000 1,141,000 $ 1,291,000
Pension Plan        
Pension, health and life insurance expense:        
Payments made to pension plans     1,110,000  
Pension plan payments expected to be made in fiscal year 335,000   335,000  
Pension plan payments accrued 143,000   143,000  
Other Postretirement Benefits Plan        
Pension, health and life insurance expense:        
Payments for post retirement healthcare and life insurance     94,000  
Pension plan payments expected to be made in fiscal year 46,000   46,000  
Pension plan payments accrued $ 46,000   $ 46,000