Coal Workers' Pneumoconiosis and Workers' Compensation (Tables)

12 Months Ended

Dec. 31, 2022

The reconciliation of changes in the benefit obligation, plan assets and funded status of these plans at December 31, 2022 and 2021 is as follows:


	Pension Benefits at December 31,				Other Postretirement Benefits at December 31,
	2022		2021		2022		2021
Change in benefit obligation:
Benefit obligation at beginning of period	$	723,006	$	778,868	$	353,297	$	413,710
Service cost	1,207		1,114		—		—
Interest cost	16,539		14,230		7,898		7,274
Actuarial gain	(173,233)		(25,073)		(84,810)		(42,836)
Plan settlement	—		(719)		—		—
Benefits and other payments	(43,307)		(45,414)		(21,356)		(24,851)
Benefit obligation at end of period	$	524,212	$	723,006	$	255,029	$	353,297

Change in plan assets:
Fair value of plan assets at beginning of period	$	733,966	$	740,978	$	—	$	—
Actual return on plan assets	(151,968)		36,867		—		—
Company contributions	1,534		2,254		21,356		24,851
Benefits and other payments	(43,307)		(45,414)		(21,356)		(24,851)
Plan settlement	—		(719)		—		—
Fair value of plan assets at end of period	$	540,225	$	733,966	$	—	$	—

Funded status:
Noncurrent assets	$	38,548	$	38,947	$	—	$	—
Current liabilities	(1,950)		(1,974)		(22,436)		(23,638)
Noncurrent liabilities	(20,585)		(26,013)		(232,593)		(329,659)
Net asset (obligation) recognized	$	16,013	$	10,960	$	(255,029)	$	(353,297)

Amounts recognized in accumulated other comprehensive loss consist of:
Net actuarial loss (gain)	$	244,700	$	231,726	$	(5,473)	$	82,851
Prior service credit	—		—		(13,734)		(16,138)
Net amount recognized (before tax effect)	$	244,700	$	231,726	$	(19,207)	$	66,713

The reconciliation of changes in the benefit obligation and funded status of these plans at December 31, 2022 and 2021 is as follows:


	CWP at December 31,				Workers' Compensation at December 31,
	2022		2021		2022		2021
Change in benefit obligation:
Benefit obligation at beginning of period	$	215,871	$	241,923	$	67,261	$	73,441
State administrative fees and insurance bond premiums	—		—		1,817		1,778
Service cost	2,905		4,460		4,920		4,236
Interest cost	5,060		4,710		1,369		1,127
Actuarial gain	(46,498)		(22,256)		(14,422)		(2,039)
Benefits paid	(16,225)		(12,966)		(10,601)		(11,282)
Benefit obligation at end of period	$	161,113	$	215,871	$	50,344	$	67,261

Funded status:
Current assets	$	—	$	—	$	1,058	$	1,092
Current liabilities	(12,723)		(12,398)		(10,451)		(10,205)
Noncurrent liabilities	(148,390)		(203,473)		(40,951)		(58,148)
Net obligation recognized	$	(161,113)	$	(215,871)	$	(50,344)	$	(67,261)

Amounts recognized in accumulated other comprehensive loss consist of:
Net actuarial (gain) loss	$	(10,098)	$	40,638	$	(24,727)	$	(10,726)
Net amount recognized (before tax effect)	$	(10,098)	$	40,638	$	(24,727)	$	(10,726)

The components of net periodic benefit (credit) cost are as follows:


	Pension Benefits						Other Postretirement Benefits
	For the Years Ended December 31,						For the Years Ended December 31,
	2022		2021		2020		2022		2021		2020
Components of net periodic benefit (credit) cost:
Service cost	$	1,207	$	1,114	$	1,183	$	—	$	—	$	—
Interest cost	16,539		14,230		20,176		7,898		7,274		12,795
Expected return on plan assets	(37,276)		(42,168)		(41,821)		—		—		—
Amortization of prior service credits	—		—		—		(2,405)		(2,405)		(2,405)
Recognized net actuarial loss	3,037		5,469		6,922		3,515		6,516		9,277
Settlement loss recognized	—		22		—		—		—		—
Net periodic benefit (credit) cost	$	(16,493)	$	(21,333)	$	(13,540)	$	9,008	$	11,385	$	19,667

The components of net periodic benefit cost are as follows:


	CWP For the Years Ended December 31,						Workers’ Compensation For the Years Ended December 31,
	2022		2021		2020		2022		2021		2020
Service cost	$	2,905	$	4,460	$	4,603	$	4,920	$	4,236	$	6,276
Interest cost	5,060		4,710		6,206		1,369		1,127		1,844
Recognized net actuarial loss (gain)	4,238		8,364		5,604		(420)		(179)		(488)
State administrative fees and insurance bond premiums	—		—		—		1,817		1,778		1,996
Net periodic benefit cost	$	12,203	$	17,534	$	16,413	$	7,686	$	6,962	$	9,628

The weighted-average discount rates used to determine benefit obligations and net periodic benefit costs are as follows:


	CWP For the Years Ended December 31,						Workers’ Compensation For the Years Ended December 31,
	2022		2021		2020		2022		2021		2020
Benefit obligations	5.40	%	2.85	%	2.53	%	5.38	%	2.74	%	2.35	%
Net periodic benefit costs	2.85	%	2.53	%	3.41	%	2.74	%	2.35	%	3.25	%


	For the Years Ended December 31,
	2022			2021			2020
Net periodic benefit costs	$	546		$	1,075		$	1,700
Discount rate assumption used to determine net periodic benefit costs	2.39		%	1.86		%	2.86		%

The following benefit payments are expected to be paid in accordance with plan documents:


	Pension Benefits		Other Postretirement Benefits
2023	$	41,835	$	22,436
2024	$	40,604	$	21,451
2025	$	39,535	$	21,263
2026	$	40,993	$	21,045
2027	$	38,911	$	20,558
Year 2028-2032	$	186,864	$	96,770

The following benefit payments, which reflect expected future claims as appropriate, are expected to be paid: