Commitments and Contingent Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Commitments to make loans | Fixed Rate    
The contractual amounts of financial instruments with off-balance-sheet risk at year end    
Total contractual amounts of financial instruments with off-balance-sheet risk $ 100 $ 471
Commitments to make loans | Variable Rate    
The contractual amounts of financial instruments with off-balance-sheet risk at year end    
Total contractual amounts of financial instruments with off-balance-sheet risk 4,836 1,881
Unused lines of credit | Fixed Rate    
The contractual amounts of financial instruments with off-balance-sheet risk at year end    
Total contractual amounts of financial instruments with off-balance-sheet risk 64,338 108,382
Unused lines of credit | Variable Rate    
The contractual amounts of financial instruments with off-balance-sheet risk at year end    
Total contractual amounts of financial instruments with off-balance-sheet risk $ 204,889 $ 39,205