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Investments - BKV-BPP Cotton Cove Joint Venture (Details) $ in Thousands | Jul. 31, 2025 USD ($) | Jul. 10, 2025 USD ($) | Jul. 09, 2025 USD ($)
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BKV-BPP Cotton Cove |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Percentage of noncontrolling interest (percent) | 0.49 |  |
BKV-BPP Cotton Cove | BPPUS |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Payments to acquire interest in joint venture | $ 3,600 |  |
Return of capital |  | $ 5,400 |
Equity method investments |  |  | $ 8,600
BKV-BPP Cotton Cove |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Payments to acquire interest in joint venture | $ 3,800 |  | 3,300
Expenditures paid by BKV dCarbon Ventures on behalf of BKV-BPP Cotton Cove |  |  | $ 100
Ownership interest | 51.00% |  |

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