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Derivative Financial Instruments - Derivative Financial Instruments and the Amount and Location of the Net Gains or Losses Recognized in the Statements of Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Net gains (losses) recognized in the statements of income | $ 1,809 | $ 175 | $ 4,155 | $ 1,774
Derivatives designated as hedging instruments | Interest Income on Investment Securities Available-for-Sale |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Net gains (losses) recognized in the statements of income | 22,435 | (5,035) | 2,288 | (5,035)
Derivatives designated as hedging instruments | Interest Income on Investment Securities Available-for-Sale | Interest Rate Swap Agreements |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Net gains (losses) recognized in the statements of income | (22,380) | 4,954 | (2,405) | 4,954
Derivatives designated as hedging instruments | Interest and Fees on Loans and Leases |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Net gains (losses) recognized in the statements of income | 31,781 | (2,885) | 4,721 | (3,321)
Derivatives designated as hedging instruments | Interest and Fees on Loans and Leases | Interest Rate Swap Agreements |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Net gains (losses) recognized in the statements of income | (31,458) | 2,828 | (4,634) | 3,262
Derivatives not designated as hedging instruments | Interest Rate Lock Commitments |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Net gains (losses) recognized in the statements of income | $ 506 | $ 75 | $ 751 | $ 553
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Mortgage Banking Income | Mortgage Banking Income | Mortgage Banking Income | Mortgage Banking Income
Derivatives not designated as hedging instruments | Forward Commitments |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Net gains (losses) recognized in the statements of income | $ (137) | $ 199 | $ 79 | $ 260
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Mortgage Banking Income | Mortgage Banking Income | Mortgage Banking Income | Mortgage Banking Income
Derivatives not designated as hedging instruments | Interest Rate Swap Agreements |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Net gains (losses) recognized in the statements of income | $ (47) | $ 21 | $ 6 | $ 3
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Noninterest Income, Other Operating Income | Noninterest Income, Other Operating Income | Noninterest Income, Other Operating Income | Noninterest Income, Other Operating Income
Derivatives not designated as hedging instruments | Foreign Exchange Contracts |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Net gains (losses) recognized in the statements of income | $ 1,109 | $ 816 | $ 3,349 | $ 2,460
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Noninterest Income, Other Operating Income | Noninterest Income, Other Operating Income | Noninterest Income, Other Operating Income | Noninterest Income, Other Operating Income
Derivatives not designated as hedging instruments | Visa Conversion Rate Swap Agreements |  |  |  |
Derivative Instruments Gain Loss [Line Items] |  |  |  |
Net gains (losses) recognized in the statements of income | $ 0 | $ (798) | $ 0 | $ (1,362)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Net Losses on Sales of Investment Securities | Net Losses on Sales of Investment Securities | Net Losses on Sales of Investment Securities | Net Losses on Sales of Investment Securities

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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 Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative. + 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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E + Details
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