Earnings per Share (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Denominator:
Weighted average common shares for basic earnings per share	17,017,334	17,520,810	17,137,730	17,672,010
Effect of dilutive securities	54,794	87,592	52,934	77,698
Weighted average common shares for diluted earnings per share	17,072,128	17,608,402	17,190,664	17,749,708