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Note 2 - Revenues From Contracts With Customers (Tables)

3 Months Ended

Mar. 31, 2025

Notes Tables

Disaggregation of Revenue [Table Text Block]

		For the Three Months Ended March 31,
(In thousands)		2025				2024
Coal royalty revenues		$	35,498			$	46,818
Production lease minimum revenues			2,725				924
Minimum lease straight-line revenues			4,050				4,171
Oil and gas royalty revenues			2,444				3,640
Carbon neutral revenues			595				2,161
Property tax revenues			1,637				1,892
Wheelage revenues			1,738				2,672
Coal overriding royalty revenues			880				1,169
Lease amendment revenues			655				702
Aggregates royalty revenues			853				772
Other revenues			185				653
Royalty and other mineral rights revenues		$	51,260			$	65,574
Transportation and processing services revenues			3,885				2,836
Total Mineral Rights segment revenues from contracts with customers		$	55,145			$	68,410

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

		March 31,				December 31,
(In thousands)		2025				2024
Contract assets
Accounts receivable, net		$	27,235			$	27,358
Other current assets, net			815				—
Other long-term assets, net			1,139				2,352
Contract liabilities
Accounts payable		$	175			$	125
Current portion of deferred revenue			4,949				4,341
Deferred revenue			51,979				55,814

		For the Three Months Ended March 31,
(In thousands)		2025				2024
Balance at beginning of period (current and non-current)		$	60,155			$	42,955
Increase due to minimums and lease amendment fees			5,861				6,979
Recognition of previously deferred revenue			(9,088	)			(5,951	)
Balance at end of period (current and non-current)		$	56,928			$	43,983

Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block]

Lease Term (1)		Weighted Average Remaining Years				Annual Minimum Payments
0 - 5 years			2.2			$	13,244
5 - 10 years			5.0				16,900
10+ years			11.0				26,309
Total			7.1			$	56,453

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-10

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X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-5

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- Definition

Tabular disclosure of maturity of undiscounted cash flows to be received by lessor on annual basis for operating lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479773/842-30-50-12

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- References

No definition available.

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