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Goodwill, Intangible Assets, and Servicing Assets - Servicing Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Jun. 30, 2022
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Servicing Asset at Amortized Cost, Balance [Roll Forward]            
Balance at beginning of period $ 11,215 $ 11,566 $ 10,418 $ 10,418 $ 12,692  
Additions through originations of servicing assets 1,338 710   4,228 2,039  
Amortization (952) (1,489)   (3,045) (3,944)  
Balance at end of period 11,601 $ 10,787 $ 11,215 11,601 $ 10,787  
Principal balances of loans serviced for other institutions $ 1,100,000     $ 1,100,000   $ 1,040,000
SBA Servicing Assets: Weighted-average discount rate     11.20% 9.67%    
SBA Servicing Assets: Constant prepayment rate     14.64% 12.05%    
Mortgage Servicing Assets: Weighted-average discount rate     8.63% 11.88%    
Mortgage Servicing Assets: Constant prepayment rate     9.58% 9.63%