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Investments - Summary of Information Relating to Investments Measured at Fair Value for Company has Used Unobservable Inputs to Determine Fair Value (Parenthetical) (Details) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Transfers out of Level III | [1] |  | $ 7,018
Transfers into Level III | [2] |  | 4,514
LRFC Acquisition |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Transfers out of Level III |  | $ 150,400 |
Debt securities |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |
Transfers out of Level III |  |  | 7,000
Transfers into Level III |  |  | $ 4,500
[1] | Transfers out of Level III represent a transfer of $7.0 million relating to debt securities for which pricing inputs, other than their quoted prices in active markets, were observable as of September 30, 2024.
[2] | Transfers into Level III represent a transfer of $4.5 million relating to debt securities for which pricing inputs, other than their quoted prices in active markets, were unobservable as of September 30, 2024.

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