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Fair Value Option - Additional Information (Detail) $ in Thousands | Mar. 31, 2024 USD ($) Loans | Dec. 31, 2023 USD ($)
--- | --- | ---
Fair Value, Option, Quantitative Disclosures [Line Items] |  |
Fair value of financial instruments more than one day past due | $ 1,313 | $ 1,345
Corporate Loans |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |
Fair value of financial instruments more than one day past due | $ 1,313 | 1,345
Corporate Loans | Not In Non Accrual Status |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |
Number of loans for which fair value option was elected past due | Loans | 2 |
Loans and Receivables |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |
Fair value of financial instruments more than one day past due | $ 0 | 0
Fair value of financial instruments with non-accrual status | $ 0 | $ 0

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