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WORKERS' COMPENSATION AND PNEUMOCONIOSIS (Tables)
3 Months Ended
Mar. 31, 2023
Black lung benefits:  
Reconciliation of changes in workers' compensation liability

    

Three Months Ended

 

March 31, 

2023

    

2022

(in thousands)

Beginning balance

$

49,452

$

53,448

Changes in accruals

 

3,874

 

2,275

Payments

 

(3,859)

 

(2,804)

Interest accretion

 

550

 

287

Ending balance

$

50,017

$

53,206

Pneumoconiosis benefits  
Black lung benefits:  
Components of net periodic benefit cost

    

Three Months Ended

March 31, 

2023

    

2022

 

(in thousands)

Black lung benefits:

Service cost

$

669

$

947

 

Interest cost (1)

 

1,238

 

747

Net amortization (1)

 

346

 

260

Net periodic benefit cost

$

2,253

$

1,954

(1)Interest cost and net amortization are included in the Other income (expense) line item within our condensed consolidated statements of income.