MISCELLANEOUS OTHER INCOME (Tables)

9 Months Ended

Sep. 30, 2018

Other Income and Expenses [Abstract]

Schedule of Miscellaneous Other Income

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2018		2017		2018		2017
Royalty Income - Non-Operated Coal	$	5,160	$	3,520	$	19,108	$	15,713
Purchased Coal Sales	2,901		3,569		15,389		9,667
Property Easements and Option Income	1,069		1,402		5,479		2,396
Rental Income	896		1,589		3,066		12,722
Interest Income	523		448		1,591		1,495
Contract Buyout	—		8,410		—		8,410
Other	429		775		2,601		2,105
Miscellaneous Other Income	$	10,978	$	19,713	$	47,234	$	52,508