Inventories (Tables)

6 Months Ended

Jun. 30, 2016

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventories are summarized as follows:

	JUNE 30 2016		DECEMBER 31 2015		JUNE 30 2015
Coal - NACoal	$	18,533	$	16,652	$	25,235
Mining supplies - NACoal	19,868		21,755		20,727
Total inventories at weighted average cost	38,401		38,407		45,962
Sourced inventories - HBB	96,401		97,511		116,368
Retail inventories - KC	32,787		29,098		40,837
Total inventories at FIFO	129,188		126,609		157,205
	$	167,589	$	165,016	$	203,167