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Investment Securities - Realized Gains and Losses (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Investments, Debt and Equity Securities [Abstract]        
Debt Securities, Available-for-sale, Realized Gain $ 0 $ 0 $ 0 $ 29
Debt Securities, Available-for-sale, Realized Loss $ 0 $ 0 $ 0 $ 0