Computation of Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2021

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 was as follows (in thousands, except per share amounts):

	First Quarter
	2021		2020
Numerator:
Net income	$	37,291	$	28,111
Denominator:
Denominator for basic earnings per share–weighted      average common shares		26,285		26,070
Effect of dilutive stock options		121		96
Effect of other common stock equivalents		265		326
Denominator for diluted earnings per share–adjusted      weighted average common shares		26,671		26,492
Basic Earnings Per Share	$	1.42	$	1.08
Diluted Earnings Per Share	$	1.40	$	1.06