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v3.25.0.1

Summary of Significant Accounting Policies - Additional Information (Details) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 USD ($) Segment TradingSecurities Portfolio | Dec. 31, 2023 USD ($) TradingSecurities Segment | Jan. 01, 2023 USD ($) | Dec. 31, 2022 USD ($)
Finite Lived Intangible Assets [Line Items] |  |  |  |
Maximum maturity period for cash equivalents | 90 days |  |  |
Number of investment portfolios | Portfolio | 3 |  |  |
Number of securities held as trading securities | TradingSecurities | 0 | 0 |  |
Number of reportable segments | Segment | 1 | 2 |  |
Decrease to retained earnings | $ 98,624 | $ 90,593 |  | $ 85,135
Core Deposits [Member] |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |
Finite-lived intangible asset, useful life | 7 years |  |  |
Minimum [Member] |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |
Useful lives of premises and equipment | 3 years |  |  |
Maximum [Member] |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |
Useful lives of premises and equipment | 40 years |  |  |
Impact of Adopting CECL [Member] |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |
Transition adjustment increase in allowance for credit losses |  |  | $ 2,400 |
Decrease to retained earnings |  | (1,811) |  |
Retained Earnings [Member] |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |
Decrease to retained earnings | $ 116,865 | 109,959 |  | $ 104,460
Retained Earnings [Member] | Impact of Adopting CECL [Member] |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |
Decrease to retained earnings | $ (1,800) | $ (1,811) | $ (1,800) |

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