Note 10 - Property, Plant and Equipment

12 Months Ended

Dec. 31, 2020

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,
	2020		2019
Plant and Equipment	$	3,134,149	$	3,028,514
Coal Properties and Surface Lands		874,567		872,909
Airshafts		452,976		437,003
Mine Development		354,691		342,706
Advance Mining Royalties		327,313		327,048
Total Property, Plant and Equipment		5,143,696		5,008,180
Less: Accumulated Depreciation, Depletion and Amortization		3,094,634		2,916,015
Total Property, Plant and Equipment - Net	$	2,049,062	$	2,092,165

As of December 31, 2020 and 2019, property, plant and equipment includes gross assets under finance leases of $112,334 and $52,729, respectively. Accumulated amortization for finance leases was $56,761 and $31,373 at December 31, 2020 and 2019, respectively. Amortization expense for assets under finance leases approximated $24,066, $15,691 and $13,148 for the years ended  December 31, 2020, 2019 and 2018, 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.