Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2021

A reconciliation of the Company's beginning and ending aggregate carrying amount of the asset retirement obligations are as follows:


	Coal Mining		NAMining		Unallocated Items		NACCO Consolidated
Balance at January 1, 2020	$	19,015	$	604	$	17,240	$	36,859
Liabilities incurred during the period	9,809		—		—		9,809
Liabilities settled during the period	(5,977)		—		(732)		(6,709)
Accretion expense	1,793		—		1,022		2,815
Revision of estimated cash flows	400		(604)		(838)		(1,042)
Balance at December 31, 2020	$	25,040	$	—	$	16,692	$	41,732
Liabilities settled during the period	(184)		—		(869)		(1,053)
Accretion expense	1,996		—		1,304		3,300
Revision of estimated cash flows	46		—		(74)		(28)
Balance at December 31, 2021	$	26,898	$	—	$	17,053	$	43,951