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Commitments and Contingencies - Narrative (Details) $ in Millions | Mar. 31, 2024 USD ($) letter_of_credit | Dec. 31, 2023 USD ($) letter_of_credit
--- | --- | ---
Lending-related Commitments |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Reserve for lending related commitments | $ 3.6 | $ 4.7
Letter of credit | FHLB |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Number of instruments | letter_of_credit | 37 | 31
Maximum borrowing capacity | $ 745.0 | $ 693.6

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