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Employee Benefit Plans (Tables)
3 Months Ended
Mar. 31, 2025
Compensation Related Costs [Abstract]  
Schedule of Net Periodic Benefit Cost
The following table details the components of the net periodic benefit cost for pension obligations:
Three Months Ended March 31,
20252024
Interest cost$5,805 $5,749 
Expected return on plan assets(4,920)(5,742)
Amortization of net actuarial loss 378 298 
Net periodic benefit cost$1,263 $305 
The following table details the components of the net periodic benefit cost for black lung obligations:
Three Months Ended March 31,
20252024
Service cost$535 $601 
Interest cost1,463 1,307 
Expected return on plan assets(13)(13)
Amortization of net actuarial loss1,076 721 
Net periodic benefit cost$3,061 $2,616