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Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Valuation Allowance [Line Items] |  |
Investment in GCMH | $ 93,045 | $ 92,656
Unrealized losses | 0 | 2,437
Intangibles and other | 1,111 | 2,423
Total deferred tax assets before valuation allowance | 94,156 | 97,516
Valuation allowance | (40,869) | (38,122)
Total deferred tax assets | 53,287 | 59,394
Right-of-use asset | (612) | (1,096)
Unrealized gains | (1,558) | 0
Other deferred tax liability | (430) | 0
Total deferred tax liabilities | (2,600) | (1,096)
Deferred tax assets, net | 50,687 | 58,298
Increase (decrease) in deferred liabilities | (2,100) | (1,100)
Accrued Liabilities |  |
Valuation Allowance [Line Items] |  |
Deferred tax assets, net | $ 500 |
Other Liabilities |  |
Valuation Allowance [Line Items] |  |
Deferred tax assets, net |  | $ 0

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