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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, 2024 | Mar. 31, 2023
Derivatives, Fair Value [Line Items] |  |
Amount of Gain Recognized in Income on Derivative Instruments | $ 13,425 | $ 0
Cash Flow Hedges [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Amount of Gain Recognized in Income on Derivative Instruments | $ 556 | $ 0
Derivative, Gain, Statement of Income or Comprehensive Income [Extensible Enumeration] | Interest Expense | Interest Expense
Fair Value Hedges [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Amount of Gain Recognized in Income on Derivative Instruments | $ 12,869 | $ 0
Derivative, Gain, Statement of Income or Comprehensive Income [Extensible Enumeration] | Interest and Dividend Income, Operating | Interest and Dividend Income, Operating
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
Derivative, Gain, Statement of Income or Comprehensive Income [Extensible Enumeration] | Noninterest Income | Noninterest Income
Derivatives designated as hedging instruments [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Amount of Gain Recognized in Income on Derivative Instruments | $ 3,865 | $ 0
Derivatives designated as hedging instruments [Member] | Cash Flow Hedges [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Amount of Gain Recognized in Income on Derivative Instruments | $ 178 | $ 0
Derivative, Gain, Statement of Income or Comprehensive Income [Extensible Enumeration] | Interest Expense | Interest Expense
Derivatives designated as hedging instruments [Member] | Fair Value Hedges [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Amount of Gain Recognized in Income on Derivative Instruments | $ 3,687 | $ 0
Derivative, Gain, Statement of Income or Comprehensive Income [Extensible Enumeration] | Interest and Dividend Income, Operating | Interest and Dividend Income, Operating

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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 -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 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 -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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