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Derivative Financial Instruments - Schedule of Derivative Financial Instruments According to Type of Hedge Designation (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Derivatives not designated as hedging instruments |  |
Derivative Instrument Detail [Abstract] |  |
Notional Amount | $ 1,317,354 | $ 1,108,683
Average Maturity (years) | 4 years 6 months | 4 years 10 months 24 days
Fair Value | $ 226 | $ 162
Derivatives not designated as hedging instruments | Rate-lock mortgage loan commitments |  |
Derivative Instrument Detail [Abstract] |  |
Notional Amount | $ 20,929 | $ 12,703
Average Maturity (years) | 1 month 6 days | 1 month 6 days
Fair Value | $ 187 | $ 100
Derivatives not designated as hedging instruments | Mandatory commitments to sell mortgage loans |  |
Derivative Instrument Detail [Abstract] |  |
Notional Amount | $ 30,147 | $ 19,874
Average Maturity (years) | 1 month 6 days | 1 month 6 days
Fair Value | $ 39 | $ 62
Fixed Income Interest Rate | Derivatives not designated as hedging instruments | Interest Rate Swap | Commercial |  |
Derivative Instrument Detail [Abstract] |  |
Notional Amount | $ 633,139 | $ 538,053
Average Maturity (years) | 4 years 8 months 12 days | 5 years
Fair Value | $ (3,422) | $ 13,325
Variable Income Interest Rate | Derivatives not designated as hedging instruments | Interest Rate Swap | Commercial |  |
Derivative Instrument Detail [Abstract] |  |
Notional Amount | $ 633,139 | $ 538,053
Average Maturity (years) | 4 years 8 months 12 days | 5 years
Fair Value | $ 3,422 | $ (13,325)
Fair Value Hedging |  |
Derivative Instrument Detail [Abstract] |  |
Notional Amount | $ 412,210 | $ 442,512
Average Maturity (years) | 2 years | 2 years 7 months 6 days
Fair Value | $ 5,982 | $ 14,320
Fair Value Hedging | Interest rate cap agreements |  |
Derivative Instrument Detail [Abstract] |  |
Notional Amount | $ 40,970 | $ 40,970
Average Maturity (years) | 2 years 7 months 6 days | 3 years 3 months 18 days
Fair Value | $ 51 | $ 334
Fair Value Hedging | Fixed Income Interest Rate | Interest Rate Swap | Commercial |  |
Derivative Instrument Detail [Abstract] |  |
Notional Amount | $ 5,345 | $ 5,647
Average Maturity (years) | 3 years 7 months 6 days | 4 years 4 months 24 days
Fair Value | $ 189 | $ 361
Fair Value Hedging | Fixed Income Interest Rate | Interest Rate Swap | Installment |  |
Derivative Instrument Detail [Abstract] |  |
Notional Amount | $ 100,000 | $ 100,000
Average Maturity (years) | 1 year 8 months 12 days | 2 years 4 months 24 days
Fair Value | $ (917) | $ 77
Fair Value Hedging | Fixed Income Interest Rate | Interest Rate Swap | Mortgage |  |
Derivative Instrument Detail [Abstract] |  |
Notional Amount | $ 117,000 | $ 147,000
Average Maturity (years) | 1 year 10 months 24 days | 2 years 2 months 12 days
Fair Value | $ (1,272) | $ 283
Fair Value Hedging | Fixed Income Interest Rate | Pay-fixed interest rate swap agreements - securities available for sale |  |
Derivative Instrument Detail [Abstract] |  |
Notional Amount | $ 148,895 | $ 148,895
Average Maturity (years) | 2 years 1 month 6 days | 2 years 9 months 18 days
Fair Value | $ 7,931 | $ 13,265
Cash Flow Hedging |  |
Derivative Instrument Detail [Abstract] |  |
Notional Amount | $ 500,000 | $ 400,000
Average Maturity (years) | 1 year 10 months 24 days | 2 years 1 month 6 days
Fair Value | $ 5,169 | $ 3,954
Cash Flow Hedging | Interest rate floor agreements - commercial |  |
Derivative Instrument Detail [Abstract] |  |
Notional Amount | $ 450,000 | $ 375,000
Average Maturity (years) | 1 year 10 months 24 days | 2 years 3 months 18 days
Fair Value | $ 5,090 | $ 3,642
Cash Flow Hedging | Interest rate cap agreements - short-term funding liabilities |  |
Derivative Instrument Detail [Abstract] |  |
Notional Amount | $ 50,000 | $ 25,000
Average Maturity (years) | 2 years 4 months 24 days | 3 years 4 months 24 days
Fair Value | $ 79 | $ 312

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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 Average remaining period until maturity of the derivative 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 Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 + Details
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