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Components of Coal Workers' Pneumoconiosis and Workers' Compensation Net Periodic Benefit Costs
6 Months Ended
Jun. 30, 2023
Retirement Benefits [Abstract]  
Components of Coal Workers' Pneumoconiosis and Workers' Compensation Net Periodic Benefit Costs COMPONENTS OF COAL WORKERS’ PNEUMOCONIOSIS (CWP) AND WORKERS’ COMPENSATION NET PERIODIC BENEFIT COSTS:
The components of Net Periodic Benefit Cost are as follows:
CWPWorkers' Compensation
Three Months Ended
June 30,
Six Months Ended
June 30,
Three Months Ended
June 30,
Six Months Ended
June 30,
20232022202320222023202220232022
Service Cost$578 $726 $1,156 $1,452 $1,399 $1,230 $2,798 $2,460 
Interest Cost2,072 1,265 4,143 2,530 629 342 1,257 684 
Amortization of Actuarial (Gain) Loss(262)1,059 (523)2,119 (513)(105)(1,025)(210)
State Administrative Fees and Insurance Bond Premiums— — — — 466 448 1,011 885 
Net Periodic Benefit Cost$2,388 $3,050 $4,776 $6,101 $1,981 $1,915 $4,041 $3,819 
Expenses related to CWP and workers’ compensation are reflected in Operating and Other Costs in the Consolidated Statements of Income. Amounts reclassified out of accumulated other comprehensive income are reflected in Operating and Other Costs in the Consolidated Statements in Income.