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Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023
Other Commitments [Line Items] |  |  |
Outstanding loan commitments | $ 386,600 | $ 386,600 | $ 480,800
Cancellable amounts | 107,700 | 107,700 | 113,500
Outstanding stand-by letters of credit | 13,100 | 13,100 | 12,600
Credit losses for unfunded commitments | 500 | 1,500 |
Future commitments outstanding related to investments | 8,100 | 8,100 |
Other Liabilities [Member] |  |  |
Other Commitments [Line Items] |  |  |
Reserves for unfunded commitments to borrowers | $ 1,600 | $ 1,600 | $ 3,100

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- Definition Credit losses for unfunded commitments. + References No definition available. + Details
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- Definition The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482425/460-10-50-4 + Details
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