Major Customers (Tables)

9 Months Ended

Sep. 30, 2018

Risks and Uncertainties [Abstract]

Major customers

Revenues from customers that exceeded 10 percent of total revenues and other income for any of the periods presented below are as follows:

	Three Months Ended September 30,								Nine Months Ended September 30,
	2018				2017				2018				2017
(In thousands)	Revenues		Percent		Revenues		Percent		Revenues		Percent		Revenues		Percent
Foresight Energy	$	15,035	15.8	%	$	18,781	20.1	%	$	40,456	13.8	%	$	50,827	18.4	%

Revenues from Foresight Energy are included within the Partnership's Coal Royalty and Other segment.