RELATED-PARTY TRANSACTIONS (Tables)

12 Months Ended

Dec. 31, 2022

RELATED-PARTY TRANSACTIONS

Summary of advanced royalties outstanding

				WKY CoalPlay
				Towhead		Webster		Henderson		WKY
		Craft Foundations		Coal		Coal		Coal		CoalPlay
				Henderson						Henderson
		Tunnel		& Union		Webster		Henderson		& Union
		Ridge		Counties, KY		County, KY		County, KY		Counties, KY		Total
		Acquired		Acquired		Acquired		Acquired		Acquired
		2005		December 2014		December 2014		December 2014		February 2015
	(in thousands)
As of January 1, 2020		$	1,500	$	16,603	$	—	$	12,607	$	10,506	$	41,216
Payments			3,000		3,597		2,568		2,522		2,132		13,819
Recoupment			(3,000)		(1,022)		—		—		(56)		(4,078)
Unrecoupable			—		—		(2,568)		—		—		(2,568)
As of December 31, 2020			1,500		19,178		—		15,129		12,582		48,389
Payments			3,000		3,597		2,568		2,521		2,131		13,817
Recoupment			(3,000)		(1,025)		—		—		—		(4,025)
Unrecoupable			—		—		(2,568)		—		—		(2,568)
As of December 31, 2021			1,500		21,750		—		17,650		14,713		55,613
Payments			3,000		3,597		—		2,522		2,131		11,250
Recoupment			(3,000)		(3,255)		—		—		—		(6,255)
Unrecoupable			—		—		—		—		—		—
As of December 31, 2022		$	1,500	$	22,092	$	—	$	20,172	$	16,844	$	60,608