Net Income Per Common Share (Tables)

12 Months Ended

Dec. 31, 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:

	Year Ended December 31,
	2021		2020		2019
Basic
Net income applicable to common stock	$	175,892	$	83,651	$	167,596
Average common shares outstanding	56,114,666		56,270,566		58,046,716
Net income per common share—basic	$	3.13	$	1.49	$	2.89
Diluted
Net income applicable to common stock	$	175,892	$	83,651	$	167,596
Average common shares outstanding	56,114,666		56,270,566		58,046,716
Effect of dilutive stock-based compensation	309,818		197,599		179,970
Average common shares outstanding—diluted	56,424,484		56,468,165		58,226,686
Net income per common share—diluted	$	3.12	$	1.48	$	2.88

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

Outstanding 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:

	Year Ended
	December 31,
	2021	2020	2019
Number of shares	—	245,146	643
Range of exercise prices (for stock option awards)	—	—	—