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Derivative Financial Instruments - Effect of Derivative Instruments on Consolidated Statement of Earnings (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Derivatives, Fair Value [Line Items] |  |
Derivative, Gain, Statement of Income or Comprehensive Income [Extensible Enumeration] | Noninterest Income | Noninterest Income
Derivatives Not Designated as Hedging Instruments [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Amount of Gain Recognized in Income on Derivative Instruments | $ 0 | $ 0
Derivatives Not Designated as Hedging Instruments [Member] | Interest Rate Swaps [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Amount of Gain Recognized in Income on Derivative Instruments | $ 0 | $ 0

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- Definition Amount of increase in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
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Balance Type: | credit
Period Type: | duration

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- Definition Indicates line item in statement of income or comprehensive income that includes gain from derivative. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + 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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- Details
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- Details
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