Net Income Per Common Share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Earnings Per Share [Abstract]
Basic (in shares)	30,968,269	32,425,994	31,004,779	32,892,864
Dilutive effect of stock options and restricted stock (in shares)	316,646	536,796	337,324	494,245
Weighted average common shares outstanding diluted (in shares)	31,284,915	32,962,790	31,342,103	33,387,109