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Derivative Financial Instruments - Schedule of Effects of Interest Rate Swap Agreements on Consolidated Statements of Income (Detail) - Designated as Hedging Instrument [Member] - Interest Rate Swap [Member] - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Loans, Including Fees [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Effects of derivatives on consolidated statement of income | $ (24) | $ (14)
Other [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Effects of derivatives on consolidated statement of income | 25 | 211
Interest Income [Member] |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Effects of derivatives on consolidated statement of income | $ 1 | $ 197

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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