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Securities - Sales of Available for Sale Securities (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Investments, Debt and Equity Securities [Abstract]    
Proceeds from sales $ 884,273 $ 0
Gross realized gains 4,856 0
Gross realized losses (4,835) 0
Tax (expense) benefit of securities gains/losses $ (4) $ 0