Net Income Per Common Share (Tables)

12 Months Ended

Dec. 31, 2015

Basic and diluted net income per common share

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



	Year Ended December 31,
	2015		2014		2013
Basic
Net income applicable to common stock	$	68,014	$	59,582	$	33,487
Average common shares outstanding	35,971,877		31,499,498		27,269,613
Net income per common share—basic	$	1.89	$	1.89	$	1.23
Diluted
Net income applicable to common stock	$	68,014	$	59,582	$	33,487
Average common shares outstanding	35,971,877		31,499,498		27,269,613
Effect of dilutive stock-based compensation	255,562		260,149		191,144
Average common shares outstanding—diluted	36,227,439		31,759,647		27,460,757
Net income per common share—diluted	$	1.88	$	1.88	$	1.22

Schedule of potentially dilutive securities excluded from computation of earnings per share

Stock options 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:



	Year Ended
	December 31,
	2015	2014	2013
Number of shares	—	109,068	164,540
Range of exercise prices	—	$29.57 - $30.63	$19.14 - $30.63