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Derivative and Hedging Activities - Cumulative Basis Adjustment For Fair Value Hedges (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Carrying Amount of the Hedged Assets/(Liabilities) | $ 148,633,000 |
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities) | (1,367,000) |
Amortized cost basis of the closed portfolios used in these hedging relationships | 763,400,000 |
Designated hedged items, amount | $ 150,000,000 |
Hedged Asset, Statement Of Financial Position Extensible Enumeration, Not Disclosed Flag | Consolidated Statement of Condition |
Fixed Rate Loans |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Carrying Amount of the Hedged Assets/(Liabilities) | $ 148,633,000 | $ 0
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities) | $ (1,367,000) |

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