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Fair Value Measurements - Additional Information (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net unrealized gain | $ (61,074,000) | $ (69,641,000)
Securities purchased | 83,000 | 143,000
Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net unrealized gain | $ 317,000 | $ 212,000

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