Computation of Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Summary of Calculation of Basic Earnings Per Common Share and Diluted Earnings Per Common Share

The calculation of basic earnings per common share and diluted earnings per common share is as follows (in thousands except per share amounts):

	For The Years Ended December 31,
	2020		2019		2018
Numerator:
Net income	$	138,340	$	113,719	$	104,981
Denominator:
Denominator for basic earnings per share–weighted      average common shares		26,140		25,952		25,762
Effect of dilutive stock options and restricted stock		108		126		160
Effect of other common stock equivalents		344		357		369
Denominator for diluted earnings per share–adjusted      weighted average common shares		26,592		26,435		26,291
Basic Earnings Per Share	$	5.29	$	4.38	$	4.08
Diluted Earnings Per Share	$	5.20	$	4.30	$	3.99