Shareholders' Equity (Tables)

3 Months Ended

Mar. 31, 2017

Statement of Stockholders' Equity [Abstract]

Common stock and additional paid-in capital activity

The following table summarizes the common stock and additional paid-in capital activity during the three months ended March 31, 2017 (in thousands):

Common stock and additional paid-in capital, December 31, 2016	$	12,139
Common stock issued pursuant to stock-based compensation plans, net	(841		)
Stock-based compensation	6,581
Common stock and additional paid-in capital, March 31, 2017	$	17,879