Net Income Per Common Share (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Earnings Per Share [Abstract]
Basic (in shares)	32,425,994	33,559,398	32,892,864	33,529,004
Dilutive effect of stock options and restricted stock (in shares)	536,796	318,554	494,245	368,958
Weighted average common shares outstanding diluted (in shares)	32,962,790	33,877,952	33,387,109	33,897,962