Securities - Narrative (Details) $ in Thousands	Sep. 30, 2023 USD ($) security	Dec. 31, 2022 USD ($) security
Debt Securities, Available-for-sale [Line Items]
Number of debt securities in unrealized loss position | security	149	147
Debt securities	$ 954,267	$ 1,001,784
Asset Pledged as Collateral without Right
Debt Securities, Available-for-sale [Line Items]
Debt securities	18,300	17,900
Asset Pledged as Collateral with Right
Debt Securities, Available-for-sale [Line Items]
Debt securities	$ 213,200	$ 251,500