Earnings Per Common Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Schedule of Earnings Per Share Basic and Diluted

	Three Months Ended March 31,
	2016		2015
Numerator—basic and diluted
Net income	$	30,181	$	23,686
Denominator
Weighted average number of common shares outstanding    — basic		40,506		40,384
Effect of dilutive stock options		131		376
Effect of dilutive restricted shares		511		564
Weighted average number of common shares outstanding    — diluted		41,148		41,324
Earnings per common share — basic	$	0.75	$	0.59
Earnings per common share — diluted	$	0.73	$	0.57
Antidilutive stock options and restricted shares		2,657		2,173