Segment Information

6 Months Ended

Jun. 30, 2022

Segment Reporting [Abstract]

Segment Information

Segment Information

The Partnership's segments are strategic business units that offer distinct products and services to different customers in different geographies within the U.S. and that are managed accordingly. NRP has the following two operating segments:

Mineral Rights—consists of mineral interests and other subsurface rights across the United States. NRP's ownership provides critical inputs for the manufacturing of steel, electricity and basic building materials, as well as opportunities for carbon sequestration and renewable energy. The Partnership is working to strategically redefine its business as a key player in the transitional energy economy in the years to come.

Soda Ash—consists of the Partnership's 49% non-controlling equity interest in Sisecam Wyoming, a trona ore mining operation and soda ash refinery in the Green River Basin of Wyoming. Sisecam Wyoming mines trona and processes it into soda ash that is sold both domestically and internationally to the glass and chemicals industries.

Direct segment costs and certain other costs incurred at the corporate level that are identifiable and that benefit the Partnership's segments are allocated to the operating segments accordingly. These allocated costs generally include salaries and benefits, insurance, property taxes, legal, royalty, information technology and shared facilities services and are included in operating and maintenance expenses on the Partnership's Consolidated Statements of Comprehensive Income.

Corporate and Financing includes functional corporate departments that do not earn revenues. Costs incurred by these departments include interest and financing, corporate headquarters and overhead, centralized treasury, legal and accounting and other corporate-level activity not specifically allocated to a segment and are included in general and administrative expenses on the Partnership's Consolidated Statements of Comprehensive Income.

The following table summarizes certain financial information for each of the Partnership's business segments:

	Operating Segments
(In thousands)	Mineral Rights		Soda Ash		Corporate and Financing		Total
For the Three Months Ended June 30, 2022
Revenues	$	84,945	$	14,643	$	—	$	99,588
Gain on asset sales and disposals	345		—		—		345
Operating and maintenance expenses	9,992		23		—		10,015
Depreciation, depletion and amortization	5,847		—		—		5,847
General and administrative expenses	—		—		5,052		5,052
Asset impairments	43		—		—		43
Other expenses, net	—		—		12,156		12,156
Net income (loss)	69,408		14,620		(17,208)		66,820
For the Three Months Ended June 30, 2021
Revenues	$	35,793	$	2,601	$	—	$	38,394
Gain on asset sales and disposals	116		—		—		116
Operating and maintenance expenses	5,135		35		—		5,170
Depreciation, depletion and amortization	4,871		—		—		4,871
General and administrative expenses	—		—		3,388		3,388
Asset impairment	16		—		—		16
Other expenses, net	1		—		9,682		9,683
Net income (loss)	25,886		2,566		(13,070)		15,382
For the Six Months Ended June 30, 2022
Revenues	$	159,824	$	29,480	$	—	$	189,304
Gain on asset sales and disposals	345		—		—		345
Operating and maintenance expenses	18,017		74		—		18,091
Depreciation, depletion and amortization	9,715		—		—		9,715
General and administrative expenses	—		—		9,519		9,519
Asset impairments	62		—		—		62
Other expenses, net	—		—		21,543		21,543
Net income (loss)	132,375		29,406		(31,062)		130,719
For the Six Months Ended June 30, 2021
Revenues	$	70,912	$	4,574	$	—	$	75,486
Gain on asset sales and disposals	175		—		—		175
Operating and maintenance expenses	10,667		55		—		10,722
Depreciation, depletion and amortization	9,963		—		—		9,963
General and administrative expenses	—		—		7,498		7,498
Asset impairments	4,059		—		—		4,059
Other expenses, net	24		—		19,632		19,656
Net income (loss)	46,374		4,519		(27,130)		23,763