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Loan Servicing - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Payments for (Proceeds from) Mortgage Servicing Rights [Abstract]          
Unpaid principal balances of loans serviced for others totaled $ 1,600,000   $ 1,600,000   $ 1,500,000
Aggregate fair value of capitalized mortgage servicing rights 18,700   18,700   $ 15,200
Mortgage servicing rights, net 18,704 $ 14,863 18,704 $ 14,863  
Reductions $ 0 $ 299 $ 2,594 $ 2,142