Computation of Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2022

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):

	Second Quarter				Six Months
	2022		2021		2022		2021
Numerator:
Net income	$	109,245	$	62,474	$	188,669	$	99,765
Denominator:
Denominator for basic earnings per share–weighted      average common shares		26,507		26,332		26,489		26,309
Dilutive effect of share-based awards		158		372		173		378
Denominator for diluted earnings per share–adjusted      weighted average common shares		26,665		26,704		26,662		26,687
Basic Earnings Per Share	$	4.12	$	2.37	$	7.12	$	3.79
Diluted Earnings Per Share	$	4.10	$	2.34	$	7.08	$	3.74