XML 51 R38.htm IDEA: XBRL DOCUMENT

Revenue from Contracts with Customers (Tables)

9 Months Ended

Sep. 30, 2025

Revenue from Contract with Customer [Abstract]

Schedule of disaggregation of revenues by type


		Coal Operations						Royalties						Other,
		Illinois												Corporate and
		Basin			Appalachia			Oil & Gas			Coal			Elimination			Consolidated

		(in thousands)
Three Months Ended September 30, 2025

Coal sales		$	337,377		$	174,216		$	—		$	—		$	—		$	511,593
Oil & gas royalties			—			—			32,055			—			—			32,055
Coal royalties			—			—			—			24,662			(24,662)			—
Transportation revenues			4,725			2,976			—			—			—			7,701
Other revenues			1,790			675			703			—			16,850			20,018
Total revenues		$	343,892		$	177,867		$	32,758		$	24,662		$	(7,812)		$	571,367

Three Months Ended September 30, 2024

Coal sales		$	337,816		$	194,831		$	—		$	—		$	—		$	532,647
Oil & gas royalties			—			—			34,448			—			—			34,448
Coal royalties			—			—			—			16,647			(16,647)			—
Transportation revenues			16,764			7,853			—			—			—			24,617
Other revenues			2,331			479			240			—			18,807			21,857
Total revenues		$	356,911		$	203,163		$	34,688		$	16,647		$	2,160		$	613,569

Nine Months Ended September 30, 2025

Coal sales		$	1,014,452		$	451,121		$	—		$	—		$	—		$	1,465,573
Oil & gas royalties			—			—			103,612			—			—			103,612
Coal royalties			—			—			—			58,069			(58,069)			—
Transportation revenues			16,417			10,042			—			—			—			26,459
Other revenues			6,265			2,183			1,560			—			53,646			63,654
Total revenues		$	1,037,134		$	463,346		$	105,172		$	58,069		$	(4,423)		$	1,659,298

Nine Months Ended September 30, 2024

Coal sales		$	1,040,419		$	566,766		$	—		$	—		$	—		$	1,607,185
Oil & gas royalties			—			—			107,907			—			—			107,907
Coal royalties			—			—			—			51,933			(51,933)			—
Transportation revenues			61,810			20,261			—			—			—			82,071
Other revenues			7,284			2,362			563			9			51,235			61,453
Total revenues		$	1,109,513		$	589,389		$	108,470		$	51,942		$	(698)		$	1,858,616

Schedule of trade receivables


		Three Months Ended						Nine Months Ended
		September 30,						September 30,
		2025			2024			2025			2024

		(in thousands)
Beginning balance		$	177,659		$	226,436		$	166,829		$	282,622
Ending balance		$	169,883		$	198,647		$	169,883		$	198,647