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Shareholders' Equity (Details)
$ in Thousands
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Oct. 08, 2015
USD ($)
Total risk-based capital:      
Actual Regulatory Capital - Amount $ 522,714 $ 498,290  
Capital To Risk Weighted Assets 0.1471 0.1540  
Minimum Requirement for capital Adequacy Including Capital Buffer Total Risk-Based Capital Ratio 10.50%    
Minimum Regulatory Capital Required - Ratio   0.1050  
Minimum Regulatory Provision To Be Well Capitalized - Ratio 0.1000 0.1000  
Tier 1 capital:      
Actual Regulatory Capital - Amount $ 486,263 $ 445,858  
Actual Regulatory Capital - Ratio 0.1300 0.1378  
Minimum Requirement for capital Adequacy Including Capital Buffer Tier I Risk-Based Capital Ratio 8.50%    
Minimum Regulatory Capital Required - Ratio   0.0850  
Minimum Regulatory Provision To Be Well Capitalized - Ratio 0.0600 0.0600  
Common equity tier I capital $ 443,263 $ 402,858  
Tier 1 leverage capital ratio:      
Actual Regulatory Capital - Amount $ 486,263 $ 445,858  
Actual Regulatory Capital - Ratio 0.0892 0.0913  
Minimum Regulatory Capital Required - Ratio 0.0400 0.0400  
Common Equity Tier I Risk Based Capital Ratio 12.00% 12.45%  
Minimum Requirement for capital Adequacy Including Capital Buffer Common Equity Tier I Risk-Based Capital Ratio 7.00%    
Common Equity Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets   7.00%  
Subordinated Debt $ 44,331 $ 59,331 $ 15,000
Subsidiaries [Member]      
Total risk-based capital:      
Actual Regulatory Capital - Amount $ 488,070 $ 460,611  
Capital To Risk Weighted Assets 0.1378 0.1428  
Minimum Requirement for capital Adequacy Including Capital Buffer Total Risk-Based Capital Ratio 10.50%    
Minimum Regulatory Capital Required - Ratio   0.1050  
Minimum Regulatory Provision To Be Well Capitalized - Ratio 0.1000 0.1000  
Tier 1 capital:      
Actual Regulatory Capital - Amount $ 451,620 $ 420,294  
Actual Regulatory Capital - Ratio 0.1275 0.1303  
Minimum Requirement for capital Adequacy Including Capital Buffer Tier I Risk-Based Capital Ratio 8.50%    
Minimum Regulatory Capital Required - Ratio   0.0850  
Minimum Regulatory Provision To Be Well Capitalized - Ratio 0.0800 0.0800  
Common equity tier I capital $ 451,620 $ 420,294  
Tier 1 leverage capital ratio:      
Actual Regulatory Capital - Amount $ 451,620 $ 420,294  
Actual Regulatory Capital - Ratio 0.0831 0.0864  
Minimum Regulatory Capital Required - Ratio 0.0400 0.0400  
Minimum Regulatory Provision To Be Well Capitalized - Ratio 0.0500 0.0500  
Common Equity Tier I Risk Based Capital Ratio 12.75% 13.03%  
Minimum Requirement for capital Adequacy Including Capital Buffer Common Equity Tier I Risk-Based Capital Ratio 7.00%    
Common Equity Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets   7.00%  
Common Equity Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets 6.50% 6.50%  
Tier II Capital [Member]      
Tier 1 leverage capital ratio:      
Subordinated Debt   $ 12,000