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Mortgage Servicing Rights Summary of Changes in Mortgage Servicing Rights (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Servicing Asset [Abstract]      
Fair value of MSRs $ 47,200   $ 50,000
Residential Mortgage      
Amortized Cost:      
Balance at beginning of period 34,217 $ 35,993  
Originations of MSRs 196 1,355  
Amortization (1,331) (1,724)  
Balance at end of period 33,082 35,624  
Servicing Asset [Abstract]      
Balance at beginning of period 0 (600)  
Reduction (addition) to valuation allowance 0 600  
Balance at end of period 0 0  
Net MSRs at end of period 33,082 35,624  
Fair value of MSRs $ 47,223 $ 47,609