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Regulatory Capital Requirements (Narrative) (Details) - USD ($)
$ in Thousands
 1 Months Ended 12 Months Ended
Feb. 29, 2016
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
FHLB available credit     $ 172,400  
Tier One Risk Based Capital   $ 153,283 145,008 $ 153,283
Repayment of outsanding Cumulative Preferred Stock     10,000 0
Unsecured Debt [Member]        
Line of credit facility, current borrowing capacity     70,000  
Secured Debt [Member]        
Line of credit facility, current borrowing capacity     10,600  
TPS Debentures [Member]        
Tier One Risk Based Capital     40,300  
Cumulative Preferred Stock [Member]        
Repayment of outsanding Cumulative Preferred Stock $ 10,000      
Parent Company [Member]        
Preferred stock dividends paid, cash   10,000    
Repayment of outsanding Cumulative Preferred Stock     $ 10,000 $ 0
Preferred dividends accrual   $ 10,000