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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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