Business Segments (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Segment Reporting Information

	2017			2016			2015
Revenues from external customers	$	104,778		$	111,081		$	147,998
Gross profit (loss)
NACoal	$	17,198		$	12,341		$	(10,816	)
NACCO and Other	(279		)	(259		)	(416		)
Total	$	16,919		$	12,082		$	(11,232	)
Earnings of unconsolidated mines	$	61,361		$	55,238		$	48,432
Selling, general and administrative expenses, including Amortization of intangible assets
NACoal	$	42,516		$	44,347		$	38,867
NACCO and Other	7,098			7,019			3,844
Total	$	49,614		$	51,366		$	42,711
Operating profit (loss)
NACoal	$	39,677		$	5,619		$	521
NACCO and Other	(6,863		)	(7,278		)	(4,248		)
Total	$	32,814		$	(1,659	)	$	(3,727	)

	2017			2016			2015
Total assets
NACoal	$	277,538		$	287,011		$	303,138
NACCO and Other	135,434			109,022			64,069
Discontinued Operations	—			311,171			310,051
Eliminations	(23,420		)	(39,183		)	(21,850		)
Total	$	389,552		$	668,021		$	655,408
Depreciation, depletion and amortization
NACoal	$	12,444		$	12,682		$	17,067
NACCO and Other	323			368			305
Total	$	12,767		$	13,050		$	17,372
Capital expenditures
NACoal	$	15,692		$	10,109		$	4,116
NACCO and Other	12			56			328
Total	$	15,704		$	10,165		$	4,444