Liabilities Subject to Compromise (Table)

6 Months Ended

Jun. 30, 2019

LiabilitiesSubjectToCompromiseDisclosuresAbstract

Liabilities Subject To Compromise [Table Text Block]

	June 30,
	2019
Senior notes	$	346,774
Accounts payable		22,949
Royalties and production and property taxes		59,328
Accrued expenses		28,445
Federal coal lease obligations		1,404
Other liabilities		5,469
Total Liabilities subject to compromise	$	464,369