Major Customers

12 Months Ended

Dec. 31, 2020

Risks and Uncertainties [Abstract]

Major Customers

Major Customers

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

	For the Year Ended December 31,
	2020				2019				2018
(In thousands)	Revenues		Percent		Revenues		Percent		Revenues		Percent
Foresight (1) (2)	$	35,704	26	%	$	58,923	23	%	$	54,595	22	%
Alpha Metallurgical Resources, Inc. (formerly Contura Energy Inc.) (1) (3)	33,227		24	%	40,743		16	%	24,580		10	%

(1)Revenues from Foresight and Alpha Metallurgical Resources, Inc. (formerly Contura Energy Inc.) are included within the Partnership's Coal Royalty and Other segment.

(2)In June 2020, the Partnership entered into lease amendments with Foresight pursuant to which Foresight agreed to pay NRP fixed cash payments to satisfy all obligations arising out of the existing various coal mining leases and transportation infrastructure fee agreements between the Partnership and Foresight for calendar years 2020 and 2021.

(3)In the fourth quarter of 2018, Contura Energy and Alpha Natural Resources merged. Revenues during the year ended December 31, 2020 and 2019 relate to the combined company, while revenues during the year ended December 31, 2018 do not include revenues from Alpha Natural Resources until the date of the merger. In February 2021, Contura Energy changed its name to Alpha Metallurgical Resources, Inc.