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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands			12 Months Ended
	Nov. 18, 2025	May 23, 2025	Dec. 31, 2025	Dec. 31, 2024
Effective Income Tax Rate Reconciliation [Line Items]
Valuation allowance			$ 1,096
Number of opco units redeemed			4,400,000
Deferred tax assets			$ 80,973	$ 29,416
Purchases tax basis in increase to deferred tax asset			$ 55,400
Class B Shares
Effective Income Tax Rate Reconciliation [Line Items]
Number of opco units redeemed			4,400,000
LandBridge
Effective Income Tax Rate Reconciliation [Line Items]
Number of opco units redeemed	2,500,000	1,900,000
Deferred tax assets				$ 29,400

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