Net Income Per Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Basic and diluted net income per share

The following table reconciles basic and diluted net income per share for the three and nine months ended September 30, 2018 and 2017.

	Three Months Ended September 30,
	2018					2017
	Net Income		Weighted-Average Shares	Per Share Amount		Net Income		Weighted-Average Shares	Per Share Amount
Net income available to common stockholders	$	41,113	49,286,945	$	0.83	$	24,358	48,431,880	$	0.50
Effect of potentially dilutive stock options and restricted stock awards			205,074					211,894
Diluted net income per share	$	41,113	49,492,019	$	0.83	$	24,358	48,643,774	$	0.50

	Nine Months Ended September 30,
	2018					2017
	Net Income		Weighted-Average Shares	Per Share Amount		Net Income		Weighted-Average Shares	Per Share Amount
Net income available to common stockholders	$	117,426	49,244,403	$	2.38	$	71,687	43,845,675	$	1.64
Effect of potentially dilutive stock options and restricted stock awards			213,782					217,544
Diluted net income per share	$	117,426	49,458,185	$	2.37	$	71,687	44,063,219	$	1.63