Earnings Per Common Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Common Share

The following table is a reconciliation of the numerator and denominator used in the computation of basic and diluted earnings per common share using the two-class method (in thousands except per share data):

	Year ended December 31,
(in thousands):	2020			2019			2018
Net earnings	$	69,388		$	49,723		$	47,706
Less dividend equivalents attributable to RSUs outstanding		(1,355	)		(997	)		(751	)
Net earnings attributable to common stockholders used in basic and diluted earnings per share calculation		68,033			48,726			46,955
Weighted average common shares outstanding:
Basic		42,040			41,072			40,171
Incremental shares from stock-based compensation		30			38			20
Diluted		42,070			41,110			40,191
Basic earnings per common share	$	1.62		$	1.19		$	1.17
Diluted earnings per common share	$	1.62		$	1.19		$	1.17