Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Schedule of Earnings Per Share Basic and Diluted

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
Numerator — basic and diluted
Net income	$	32,214	$	21,691	$	41,074	$	78,419
Denominator
Weighted average number of common shares    outstanding — basic		37,431		41,239		39,301		40,856
Effect of dilutive stock options		31		350		96		266
Effect of dilutive restricted shares		284		476		318		483
Weighted average number of common shares    outstanding — diluted		37,746		42,065		39,715		41,605
Earnings per common share — basic	$	0.86	$	0.53	$	1.05	$	1.92
Earnings per common share — diluted	$	0.85	$	0.52	$	1.03	$	1.88
Antidilutive stock options and restricted shares		2,328		753		1,755		1,595