Earnings per share (Tables)

12 Months Ended

Dec. 31, 2019

The following table represents a reconciliation of the numerator and denominator of the basic and diluted earnings per share computations contained in the consolidated financial statements:



	Year ended December 31,
	2019		2018		2017
	(in thousands, except per share data)
Net income	$	63,316	$	33,787	$	24,901

Weighted average common shares outstanding - basic	21,528		21,090		20,992
Dilutive effect of shares issued under stock compensation arrangements:
Stock options	570		591		506
Restricted stock awards	38		4		—
Total dilutive effect of shares issued under stock compensation arrangements	608		595		506
Weighted average common shares outstanding - diluted	22,136		21,685		21,498

Earnings per common share:
Basic	$	2.94	$	1.60	$	1.19
Diluted	$	2.86	$	1.56	$	1.16