Earnings (Loss) Per Share - Schedule Of Earnings Per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Earnings Per Share [Abstract]
Net income (loss)	$ 2,459	$ (1,990)
Basic - weighted average shares outstanding (in shares)	42,977	42,703
Weighted average effect of dilutive potential securities (in shares)	1,693	0
Diluted - weighted average shares outstanding (in shares)	44,670	42,703
Anti-dilutive securities (in shares)	4,585	0