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Basis of Presentation and Summary of Significant Accounting Policies (Narrative) (Details)
$ in Thousands
 4 Months Ended 6 Months Ended
Jul. 17, 2020
USD ($)
Branch
Mar. 27, 2020
USD ($)
Jul. 09, 2020
USD ($)
Jun. 30, 2020
USD ($)
Segment
Dec. 31, 2019
USD ($)
Significant Accounting Policies [Line Items]          
Retained earnings       $ 307,845 $ 313,364
Number of identified portfolio segments | Segment       6  
Subsequent Event [Member]          
Significant Accounting Policies [Line Items]          
Offering unsecured personal loans, percentage     2.95%    
Number of bank branch closure | Branch 6        
Percentage of branch network 10.00%        
Percentage of branch network impact 6.00%        
Anticipates annual expense savings branch closures $ 2,600        
Pre tax expense related branch closures 1,700        
Total costs result in future cash expenditures 800        
Subsequent Event [Member] | Employee Severance [Member]          
Significant Accounting Policies [Line Items]          
Pre tax expense related branch closures 200        
Subsequent Event [Member] | Lease Termination Costs [Member]          
Significant Accounting Policies [Line Items]          
Pre tax expense related branch closures 600        
Subsequent Event [Member] | Valuation Adjustments On Branch Facilities [Member]          
Significant Accounting Policies [Line Items]          
Pre tax expense related branch closures $ 900        
Maximum [Member] | Subsequent Event [Member]          
Significant Accounting Policies [Line Items]          
Certificate of deposit penalty fees for withdrawals     $ 20,000    
Offering unsecured personal loans, amount     $ 5,000    
Offering unsecured personal loans, period     60 months    
CARES Act [Member]          
Significant Accounting Policies [Line Items]          
Estimated amount of relief fund   $ 2,200      
ASU 2016-13 [Member]          
Significant Accounting Policies [Line Items]          
Retained earnings       $ (8,700)  
Increase in the allowance for credit losses on loans       9,600  
Increase (decrease) in deferred tax assets       3,000  
ASU 2016-13 [Member] | Held To Maturity Investment Securities [Member]          
Significant Accounting Policies [Line Items]          
Increase in the allowance for credit losses on loans       14  
ASU 2016-13 [Member] | Unfunded Commitments [Member]          
Significant Accounting Policies [Line Items]          
Increase in the allowance for credit losses on loans       $ 2,100