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WORKERS' COMPENSATION AND PNEUMOCONIOSIS (Tables)

3 Months Ended

Mar. 31, 2022

Black lung benefits:

Reconciliation of changes in workers' compensation liability

​

​	​	​	​	​	​	​	​
​		Three Months Ended
​	​	March 31,					​
​	​	2022			2021		​
​	​	(in thousands)					​
Beginning balance	​	$	53,448	​	$	54,739	​
Accruals increase	​		2,275	​		1,672	​
Payments	​		(2,804)	​		(2,410)	​
Interest accretion	​		287	​		232	​
Ending balance	​	$	53,206	​	$	54,233	​

Pneumoconiosis benefits

Black lung benefits:

Components of net periodic benefit cost

​	​	​	​	​	​	​	​
​		Three Months Ended					​
​	​	March 31,					​
​	​	2022			2021
​	​	(in thousands)					​
Service cost	​	$	947	​	$	1,031
Interest cost (1)	​		747	​		636	​
Net amortization (1)	​		260	​		1,043	​
Net periodic benefit cost	​	$	1,954	​	$	2,710	​

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

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- Definition

Tabular disclosure of the changes in the liability for workers' compensation during the period.

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Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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