Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share (Details)

v3.5.0.2
Earnings Per Share (Details)
 3 Months Ended 6 Months Ended
Jun. 30, 2016
$ / shares
shares
Jun. 30, 2015
$ / shares
shares
Jun. 30, 2016
$ / shares
shares
Jun. 30, 2015
$ / shares
shares
Aug. 03, 2016
shares
Dec. 31, 2015
shares
Earnings Per Share [Abstract]            
Basic weighted average common shares outstanding (in shares) 5,399,342 5,374,863 5,394,345 5,372,293    
Effect of dilutive shares (in shares) 13,903 15,958 13,908 13,255    
Diluted weighted average common shares outstanding (in shares) 5,413,245 5,390,821 5,408,253 5,385,548    
Earnings Per Share [Line Items]            
Stock split ratio     2      
Common stock, issued (in shares) 5,399,342   5,399,342     5,375,532
Common stock, outstanding (in shares) 5,399,342   5,399,342     5,375,532
Earnings Per Share [Abstract]            
Basic - as reported (in dollars per share) | $ / shares $ 1.11 $ 1.02 $ 2.32 $ 1.99    
Basic - pro forma (in dollars per share) | $ / shares 0.55 0.51 1.16 1.00    
Diluted - as reported (in dollars per share) | $ / shares 1.10 1.02 2.32 1.99    
Diluted - pro forma (in dollars per share) | $ / shares $ 0.55 $ 0.51 $ 1.16 $ 0.99    
Weighted Average Common Shares Outstanding [Abstract]            
Basic - as reported (in shares) 5,399,342 5,374,863 5,394,345 5,372,293    
Basic - pro forma (in shares) 10,798,684 10,749,726 10,788,691 10,744,586    
Diluted - as reported (in shares) 5,413,245 5,390,821 5,408,253 5,385,548    
Diluted - pro forma (in shares) 10,826,490 10,781,642 10,816,507 10,771,096    
Subsequent Event [Member]            
Earnings Per Share [Line Items]            
Common stock, issued (in shares)         10,800,000  
Common stock, outstanding (in shares)         10,800,000