Net Income Per Common Share (Tables)

6 Months Ended

Jun. 30, 2019

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,
	2019		2018
Basic
Net income applicable to common stock	$	46,625	$	36,710
Average common shares outstanding	58,461,024		49,413,754
Net income per common share - basic	$	0.80	$	0.74
Diluted
Net income applicable to common stock	$	46,625	$	36,710
Average common shares outstanding	58,461,024		49,413,754
Effect of dilutive stock-based compensation	157,952		136,007
Average common shares outstanding - diluted	58,618,976		49,549,761
Net income per common share - diluted	$	0.80	$	0.74



	Six Months Ended
	June 30,
	2019		2018
Basic
Net income applicable to common stock	$	91,735	$	70,536
Average common shares outstanding	58,523,007		49,385,244
Net income per common share - basic	$	1.57	$	1.43
Diluted
Net income applicable to common stock	$	91,735	$	70,536
Average common shares outstanding	58,523,007		49,385,244
Effect of dilutive stock-based compensation	146,049		136,801
Average common shares outstanding - diluted	58,669,056		49,522,045
Net income per common share - diluted	$	1.56	$	1.42

Schedule of antidilutive securities

Stock-based compensation awards that could potentially dilute basic net income per common share in the future that were not included in the computation of diluted net income per common share due to their anti-dilutive effect were as follows for the periods presented:



	Three Months Ended
	June 30,
	2019	2018
Number of shares	4,524	44,273
Exercise prices (for stock option awards)	—	—



	Six Months Ended
	June 30,
	2019	2018
Number of shares	643	44,273
Exercise prices (for stock option awards)	—	—