Net Income Per Common Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Basic and diluted net income per common share

Basic and diluted net income per common share calculations are as follows for the periods presented:

	Three Months Ended
	June 30,
	2018		2017
Basic
Net income applicable to common stock	$	36,710	$	25,284
Average common shares outstanding	49,413,754		44,415,423
Net income per common share - basic	$	0.74	$	0.57
Diluted
Net income applicable to common stock	$	36,710	$	25,284
Average common shares outstanding	49,413,754		44,415,423
Effect of dilutive stock-based compensation	136,007		108,118
Average common shares outstanding - diluted	49,549,761		44,523,541
Net income per common share - diluted	$	0.74	$	0.57

	Six Months Ended
	June 30,
	2018		2017
Basic
Net income applicable to common stock	$	70,536	$	49,256
Average common shares outstanding	49,385,244		44,390,021
Net income per common share - basic	$	1.43	$	1.11
Diluted
Net income applicable to common stock	$	70,536	$	49,256
Average common shares outstanding	49,385,244		44,390,021
Effect of dilutive stock-based compensation	136,801		110,259
Average common shares outstanding - diluted	49,522,045		44,500,280
Net income per common share - diluted	$	1.42	$	1.11