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Share Based Compensation Plan (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Share Based Compensation Plan (Textual)    
Option awards vesting period 3 years  
Options granted
Total intrinsic value $ 330  
Option exercised shares 38,514  
Cash received from exercised options $ 240  
Restricted Stock [Member]    
Share Based Compensation Plan (Textual)    
Compensation cost charged against income 130 $ 80
Total unrecognized compensation cost related to non-vested share-based compensation arrangements granted under plan $ 310  
Option awards vesting period 5 years  
Total income tax benefit recognized in income statement for share-based compensation arrangements $ 40 30
weighted-average period term 2 years 18 days  
2008 Stock Incentive Plan [Member]    
Share Based Compensation Plan (Textual)    
Compensation cost charged against income
Total unrecognized compensation cost related to non-vested share-based compensation arrangements granted under plan  
Option awards vesting period 5 years  
Option awards contractual terms 10 years  
Maximum common shares granted for incentive stock options, nonqualified stock options, stock appreciation rights ("SARs"), and restricted stock 250,000