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Summary of Significant Accounting Policies (Narrative) (Details)
2 Months Ended 12 Months Ended
Feb. 29, 2016
USD ($)
Dec. 31, 2015
USD ($)
store
Dec. 31, 2014
USD ($)
Number of Branches | store   15  
Number of wholly-owned subsidiaries | store   9  
Number of wholly-owned statutory trust subsidiaries | store   2  
Percentage of guaranteed by SBA   90.00%  
Payment to purchase headquarter   $ 951,000 $ 597,000
Minimum [Member]      
Value for real estate appraisal for OREO or substance foreclosure   $ 100,000  
Discount rate used to determine fair value   6.00%  
Maximum [Member]      
Discount rate used to determine fair value   10.00%  
Subsequent Event [Member]      
Payment to purchase headquarter $ 4,100,000    
Period in which operating lease obligations will be reduced 3 years    
Decrease in operating lease obligations $ 1,200,000    
Subsequent Event [Member] | Subordinated debentures [Member]      
Debt outstanding repurchased amount $ 5,100,000    
Debt dedemption price per Dollar 0.5475    
Gains (Losses) on Extinguishment of Debt $ 2,250,000