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Investment Securities - Narrative (Details) | 1 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2022 USD ($) | Dec. 31, 2023 USD ($) security | Jul. 07, 2023 USD ($) | Dec. 31, 2022 USD ($) security
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Held-to-maturity, allowance for credit Loss |  | $ 0 |  | $ 0
Transfer of securities from available-for-sale to held-to-maturity at fair value | $ 357,500,000 |  |  |
Net unrealized pre-tax loss |  | $ 61,454,000 |  | $ 90,543,000
Number of investment securities in unrealized loss position | security |  | 313 |  | 407
Number of investment securities in unrealized loss position longer than 12 months | security |  | 306 |  |
Number of investment securities in unrealized loss position less than 12 months | security |  | 7 |  |
Debt securities, available-for-sale unrealized loss position, allowance for credit loss |  | $ 0 |  | $ 0
Interest rate swap |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Derivative notional amount |  | $ 8,600,000 | $ 101,800,000 |
Accumulated Other Comprehensive Income (Loss), Net of Tax |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Net unrealized pre-tax loss | $ 14,800,000 |  |  |

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