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Derivative Financial Instruments and Hedging Activities - Derivative Included In The Consolidated Statements Of Income Related To Interest Rate Swap Agreements (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Derivative [Line Items] |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | $ 2,573 | $ 6,642
Derivatives designated as hedging instruments |  |
Derivative [Line Items] |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | 2,573 | 6,642
Interest Rate Swap | Gain (loss) included in interest expense on deposits | Derivatives designated as hedging instruments |  |
Derivative [Line Items] |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | 1,501 | 4,111
Interest Rate Swap | Gain (loss) included in interest expense on FHLB borrowings | Derivatives designated as hedging instruments |  |
Derivative [Line Items] |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | 1,072 | 2,531
Interest Rate Swap | Gain (loss) included in interest income on tax-exempt investment securities | Derivatives designated as hedging instruments |  |
Derivative [Line Items] |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | 1,050 | 2,622
Interest Rate Swap | Gain (loss) included in interest income on MBS | Derivatives designated as hedging instruments |  |
Derivative [Line Items] |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | 255 | 0
Interest Rate Swap | Gain (loss) included in interest income on loans | Derivatives designated as hedging instruments |  |
Derivative [Line Items] |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | 272 | 0
Interest Rate Swap | Other noninterest income | Derivatives designated as non-hedging instruments |  |
Derivative [Line Items] |  |
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax | $ 93 | $ 0

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- Definition Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-15 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 4C -Subparagraph (c) -SubTopic 10 -Topic 815 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C + Details
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