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Securities - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Schedule of Held-to-maturity Securities [Line Items]          
Allowance for credit losses $ 0   $ 0    
Proceeds from sale and maturity of securities 0 $ 81,016 0 $ 81,016  
Asset Pledged as Collateral without Right          
Schedule of Held-to-maturity Securities [Line Items]          
Debt securities, carrying value $ 437,724   $ 437,724   $ 428,721