Asset Retirement Obligations (Tables)

9 Months Ended

Sep. 30, 2020

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Change in Asset Retirement Obligation

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

	Coal Mining		NAMining		Unallocated Items		NACCO Consolidated
Balance at December 31, 2019	$	19,015	$	604	$	17,240	$	36,859
Liabilities incurred during the period	9,809		—		—		9,809
Liabilities settled during the period	(5,957)		—		(562)		(6,519)
Accretion expense	1,296		28		1,023		2,347
Revision of estimated cash flows	600		—		—		600
Balance at September 30, 2020	$	24,763	$	632	$	17,701	$	43,096