Note 10 - Property, Plant and Equipment

12 Months Ended

Dec. 31, 2021

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

NOTE 10—PROPERTY, PLANT AND EQUIPMENT:

Property, plant and equipment consists of the following:

	December 31,
	2021		2020
Plant and Equipment	$	3,213,512	$	3,134,149
Coal Properties and Surface Lands		877,271		874,567
Airshafts		473,866		452,976
Mine Development		357,479		354,691
Advance Mining Royalties		328,677		327,313
Total Property, Plant and Equipment		5,250,805		5,143,696
Less: Accumulated Depreciation, Depletion and Amortization		3,272,255		3,094,634
Total Property, Plant and Equipment - Net	$	1,978,550	$	2,049,062

As of December 31, 2021 and 2020, property, plant and equipment includes gross assets under finance leases of $80,232 and $112,334, respectively. Accumulated amortization for finance leases was $34,036 and $56,761 at December 31, 2021 and 2020, respectively. Amortization expense for assets under finance leases approximated $27,846, $24,066 and $15,691 for the years ended  December 31, 2021, 2020 and 2019, respectively, and is included in Depreciation, Depletion and Amortization in the accompanying Consolidated Statements of Income. See Note 14 - Leases for further discussion of finance leases.