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Investment Securities - Narrative (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Schedule of Investments [Line Items]    
Available-for-sale Securities Pledged as Collateral $ 338,800 $ 244,800
FHLB    
Schedule of Investments [Line Items]    
Letter of credit outstanding, amount $ 189,000 $ 450,900