Earnings per Common Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

Earnings per common share have been computed based on the following:

	Years Ended December 31,
	2019		2018		2017
	(in thousands, except per share amounts)
Net income available to common stockholders	$	73,395	$	60,352	$	43,220
Earnings allocated to participating securities		(295)		(139)		(141)
Income attributable to common stock	$	73,100	$	60,213	$	43,079
Weighted average common shares outstanding, including participating securities		35,289		32,198		31,943
Weighted average participating securities		(84)		(74)		(41)
Weighted average common shares outstanding		35,205		32,124		31,902
Incremental shares from assumed conversions of options, restricted stock units, performance units and restricted stock		88		233		335
Weighted average common and equivalent shares outstanding		32,293		32,357		32,237
Earnings per common share:
Basic	$	2.08	$	1.87	$	1.35
Diluted		2.07		1.86		1.34