Net Income Per Common Share (Tables)

9 Months Ended

Sep. 30, 2021

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
	September 30,
	2021		2020
Basic
Net income applicable to common stock	$	40,063	$	29,992
Average common shares outstanding	56,146,285		56,185,884
Net income per common share - basic	$	0.71	$	0.53
Diluted
Net income applicable to common stock	$	40,063	$	29,992
Average common shares outstanding	56,146,285		56,185,884
Effect of dilutive stock-based compensation	300,899		200,269
Average common shares outstanding - diluted	56,447,184		56,386,153
Net income per common share - diluted	$	0.71	$	0.53

	Nine Months Ended
	September 30,
	2021		2020
Basic
Net income applicable to common stock	$	138,838	$	52,130
Average common shares outstanding	56,237,056		56,294,984
Net income per common share - basic	$	2.47	$	0.93
Diluted
Net income applicable to common stock	$	138,838	$	52,130
Average common shares outstanding	56,237,056		56,294,984
Effect of dilutive stock-based compensation	296,038		173,593
Average common shares outstanding - diluted	56,533,094		56,468,577
Net income per common share - diluted	$	2.46	$	0.92

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
	September 30,
	2021	2020
Number of shares	19,929	237,212
Exercise prices (for stock option awards)	—	—

	Nine Months Ended
	September 30,
	2021	2020
Number of shares	19,929	255,448
Exercise prices (for stock option awards)	—	—