Loans (Loans Due After One Year) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Loans with fixed rate $ 249,283 $ 210,605
Loans with floating or adjustable rates 505,408 405,584
Loans, total 754,691 616,189
Commercial Equipment [Member]    
Loans with fixed rate 20,145 6,625
Loans with floating or adjustable rates 1,887 2,030
Loans, total 22,032 8,655
Consumer Loans [Member]    
Loans with fixed rate 166 310
Loans, total 166 310
Home Equity and Second Mortgage [Member]    
Loans with fixed rate 1,806 2,362
Loans with floating or adjustable rates 19,580 16,852
Loans, total 21,386 19,214
Construction and Land Development [Member]    
Loans with fixed rate 3,555 3,859
Loans with floating or adjustable rates 5,025 5,644
Loans, total 8,580 9,503
Residential First Mortgages [Member]    
Loans with fixed rate 109,041 105,082
Loans with floating or adjustable rates 33,509 26,645
Loans, total 142,550 131,727
Commercial Real Estate [Member]    
Loans with fixed rate 114,570 92,367
Loans with floating or adjustable rates 445,407 354,413
Loans, total $ 559,977 $ 446,780