Earnings per Share (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings per Share

The following table sets forth the computation of basic and diluted earnings per share for the three and nine month periods ended September 30, 2014 and 2013.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
Net income	$	19,155	$	23,812	$	61,625	$	65,361
Weighted average common shares outstanding for basic earnings per share computation	44,911,858		43,699,566		44,321,326		43,458,309
Dilutive effects of stock-based compensation	548,430		585,278		562,667		384,980
Weighted average common shares outstanding for diluted earnings per common share computation	45,460,288		44,284,844		44,883,993		43,843,289
Basic earnings per common share	$	0.43	$	0.54	$	1.39	$	1.50
Diluted earnings per common share	$	0.42	$	0.54	$	1.37	$	1.49