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Restructuring Charges (Narrative) (Details)
$ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Jul. 17, 2020
Branch
Oct. 31, 2020
Branch
Mar. 31, 2023
USD ($)
Mar. 31, 2022
USD ($)
Mar. 31, 2021
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2020
USD ($)
Restructuring Cost And Reserve [Line Items]              
Number of bank branch closure | Branch 6            
Percentage of branch network 10.00%            
Percentage of branch network impact 6.00%            
Number of additional branches planned to close | Branch   1          
Pre tax expense related branch closures             $ 1,700
Restructuring Charges       $ 1,600 $ 111    
Restructuring charges     $ 0        
Long lived assets held for sale     $ 1,500     $ 1,500  
Employee Severance [Member]              
Restructuring Cost And Reserve [Line Items]              
Pre tax expense related branch closures             200
Lease Termination Costs [Member]              
Restructuring Cost And Reserve [Line Items]              
Pre tax expense related branch closures             500
Valuation Adjustments On Branch Facilities [Member]              
Restructuring Cost And Reserve [Line Items]              
Pre tax expense related branch closures             $ 1,000