Note 10 - Other Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	June 30,		December 31,
	2022		2021
Subsidence Liability	$	99,718	$	93,871
Accrued Compensation and Benefits		48,810		47,228
Accrued Other Taxes		9,441		8,474
Accrued Interest		8,406		9,042
Other		13,836		16,415
Current Portion of Long-Term Liabilities:
Asset Retirement Obligations		27,691		27,400
Postretirement Benefits Other than Pensions		23,265		23,638
Pneumoconiosis Benefits		12,258		12,398
Workers' Compensation		9,663		10,205
Total Other Accrued Liabilities	$	253,088	$	248,671