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Loans - Purchased Credit Deteriorated Loans (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Purchased Financial Assets With Credit Deterioration [Abstract]    
Purchase price of loans at acquisition $ 10,995 $ 152,667
Allowance for credit losses at acquisition 3,142 7,512
Non-credit discount/premium at acquisition 446 (6,542)
Par value of acquired loans at acquisition $ 14,583 $ 153,637