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Significant Accounting Policies (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2022
USD ($)
Sep. 30, 2022
USD ($)
segment
center
Dec. 31, 2021
USD ($)
Nature of Operations      
Total assets   $ 12,497,388 $ 12,859,689
Number of operating segments | segment   3  
Number of reportable segments | segment   3  
Number of banking centers consolidated | center   58  
COVID-19      
Covid 19, payroll assistance   $ 1,100,000  
Minimum | Forecast | Subsequent Event      
Subsequent Events [Abstract]      
Annual salary and benefit savings $ 4,000    
Severance costs 1,100    
Maximum | Forecast | Subsequent Event      
Subsequent Events [Abstract]      
Annual salary and benefit savings 4,400    
Severance costs $ 1,300    
PPP Loans      
COVID-19      
PPP loans outstanding   1,500 76,900
PPP loans outstanding, amortized cost   $ 1,400 $ 75,000