Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2016

Earnings Per Share [Abstract]

Computation of Earnings Per Share

Earnings per share have been computed based on the following:

	Years ended December 31,
	2016		2015		2014
Net income (in thousands)	$	44,811	$	43,818	$	26,108
(number of shares in thousands)
Average number of common shares outstanding		22,814		22,750		17,716
Effect of dilutive stock options		273		248		207
Average number of common shares outstanding used to calculate diluted earnings per share		23,087		22,998		17,923