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Derivative Financial Instruments (Details) - Interest Rate Swap - Not Designated as Hedging Instrument [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Commercial Customer    
Derivative [Line Items]    
Derivative Asset, Notional Amount $ 185,637 $ 115,459
Maturity   3 years 1 month 6 days
Fair Value of assets, Net total $ 609 $ 1,528
Commercial Customer | Maximum    
Derivative [Line Items]    
Fixed Rate, rate range   5.99%
Commercial Customer | Minimum    
Derivative [Line Items]    
Fixed Rate, rate range   3.99%
Commercial Customer | LIBOR    
Derivative [Line Items]    
Maturity 3 years 4 months 24 days  
Commercial Customer | LIBOR | Maximum    
Derivative [Line Items]    
Fixed Rate, rate range 5.72%  
Floating Rate Spread, range 4.25% 4.50%
Commercial Customer | LIBOR | Minimum    
Derivative [Line Items]    
Fixed Rate, rate range 2.19%  
Floating Rate Spread, range 0.00% 2.50%
Correspondent    
Derivative [Line Items]    
Derivative Liability, Notional Amount $ 185,637 $ 115,459
Maturity   3 years 1 month 6 days
Fair Value of liabilities, Net total $ (691) $ (1,612)
Correspondent | Maximum    
Derivative [Line Items]    
Fixed Rate, rate range   5.99%
Correspondent | Minimum    
Derivative [Line Items]    
Fixed Rate, rate range   3.99%
Correspondent | LIBOR    
Derivative [Line Items]    
Maturity 3 years 4 months 24 days  
Correspondent | LIBOR | Maximum    
Derivative [Line Items]    
Fixed Rate, rate range 5.72%  
Floating Rate Spread, range 4.25% 4.50%
Correspondent | LIBOR | Minimum    
Derivative [Line Items]    
Fixed Rate, rate range 2.19%  
Floating Rate Spread, range 0.00% 2.50%