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Derivatives and Hedging Activities - Schedule of Cumulative Basis Adjustment For Fair Value Hedges (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Hedged Asset, Statement Of Financial Position Extensible Enumeration, Not Disclosed Flag | balance sheet | balance sheet
Carrying Amount of the Hedged Assets/(Liabilities) | $ 99,845 | $ 149,175
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities) | (155) | (825)
Amortized cost basis of the closed portfolios used in these hedging relationships | 672,400 | 711,000
Designated hedged items, amount | 100,000 | 150,000
Designated hedged items matured | 50,000 |
Fixed Rate Loans |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Carrying Amount of the Hedged Assets/(Liabilities) | 99,845 | 149,175
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities) | $ (155) | $ (825)

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