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Loans - Impaired Loans Classified as Modified Loans for Borrowers Experiencing Financial Difficulty and Troubled Debt Restructurings (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 USD ($) Loan Contract
Financing Receivable Modifications [Line Items] |
Number of Contracts Modified in the Last 12 Months | Loan | 1
Commercial Real Estate [Member] |
Financing Receivable Modifications [Line Items] |
Number of Contracts Modified in the Last 12 Months | Contract | 1
Pre-Modification Outstanding Recorded Investment | $ 1,024
Post-Modification Outstanding Recorded Investment | $ 1,024

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