Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Schedule of Earnings Per Share Basic and Diluted

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Numerator — basic and diluted
Net income	$	64,598	$	43,609	$	127,243	$	82,554
Denominator
Weighted average number of common shares outstanding — basic	36,960		37,001		36,970		36,851
Effect of dilutive stock options	459		558		445		430
Effect of dilutive restricted shares	749		712		778		661
Weighted average number of common shares outstanding — diluted	38,168		38,271		38,193		37,942
Earnings per common share — basic	$	1.75	$	1.18	$	3.44	$	2.24
Earnings per common share — diluted	$	1.69	$	1.14	$	3.33	$	2.18
Antidilutive stock options and restricted shares	25		44		38		330