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Derivative Financial Instruments - Summary of Location and Fair Value of Derivative Instruments (Details) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 USD ($) Instrument | Dec. 31, 2024 USD ($) Instrument
Derivatives not designated as hedging instruments, fair value |  |
Derivative Asset, Fair Value | $ 37,634 | $ 65,762
Derivative Liability, Fair Value | $ 38,726 | $ 57,068
Interest Rate Swap Agreements on Loans with Commercial Loan Customers | Not Designated as Hedging Instrument |  |
Derivatives not designated as hedging instruments, fair value |  |
Derivative Asset, Number of Instruments | Instrument | 49 | 20
Derivative Asset, Notional Amount | $ 580,438 | $ 232,488
Derivative Asset, Weighted Average Maturity | 3 years 10 months 13 days | 4 years 6 months 18 days
Derivative Asset, Fair Value | $ 10,157 | $ 2,015
Derivative Liability, Number of Instruments Held | Instrument | 65 | 86
Derivative Liability, Notional Amount | $ 558,756 | $ 789,877
Derivative Liability, Weighted Average Maturity | 5 years 14 days | 5 years 5 months 8 days
Derivative Liability, Fair Value | $ 35,534 | $ 56,559
Interest Rate Swap Agreements on Loans with Third-party Counter Parties | Not Designated as Hedging Instrument |  |
Derivatives not designated as hedging instruments, fair value |  |
Derivative Asset, Number of Instruments | Instrument | 114 | 106
Derivative Asset, Notional Amount | $ 1,139,194 | $ 1,022,365
Derivative Asset, Weighted Average Maturity | 4 years 5 months 8 days | 5 years 2 months 26 days
Derivative Asset, Fair Value | $ 25,377 | $ 54,544
Interest Rate Swap Related to AFS Securities | Designated as Hedging Instrument |  |
Derivatives not designated as hedging instruments, fair value |  |
Derivative Asset, Number of Instruments | Instrument | 11 | 11
Derivative Asset, Notional Amount | $ 12,500 | $ 12,500
Derivative Asset, Weighted Average Maturity | 6 years 6 months 10 days | 7 years 3 months 10 days
Derivative Asset, Fair Value | $ 757 | $ 1,014
Interest Rate Swap Related to Wholesale Funding | Designated as Hedging Instrument |  |
Derivatives not designated as hedging instruments, fair value |  |
Derivative Asset, Number of Instruments | Instrument | 4 | 36
Derivative Asset, Notional Amount | $ 48,400 | $ 384,655
Derivative Asset, Weighted Average Maturity | 2 years 4 months 13 days | 3 years 11 months 12 days
Derivative Asset, Fair Value | $ 1,343 | $ 8,189
Derivative Liability, Number of Instruments Held | Instrument | 44 | 10
Derivative Liability, Notional Amount | $ 448,755 | $ 100,000
Derivative Liability, Weighted Average Maturity | 3 years 3 months 21 days | 1 year 6 months 18 days
Derivative Liability, Fair Value | $ 3,192 | $ 509

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- Definition Average remaining period until maturity of the derivative asset contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Average remaining period until maturity of the derivative liability contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Nominal or face amount used to calculate payments on the derivative asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SX 210.12-13(Column A)(Footnote 3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-5 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5C -Subparagraph (SX 210.12-13C(Column E)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-5C Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5A -Subparagraph (SX 210.12-13A(Column D)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-5A Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 5B -Subparagraph (SX 210.12-13B(Column B)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-5B + Details
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- Definition The number of derivative instruments of a particular derivative asset or group of derivative assets held by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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