Earnings Per Share - (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Earnings Per Share [Abstract]
Stock Options Antidilutive securities excluded from computation	151
Restricted Stock Unit Antidilutive excluded from computation	0
Stock Options Excluded from Computation of diluted loss per share		299
Restricted stock units excluded from Computation of diluted loss per share		0
Net Income (Loss) Attributable to Parent	$ 13,939	$ 1,848
Weighted Average Number of Shares Outstanding, Basic	30,957	31,928
Weighted Average Number Diluted Shares Outstanding Adjustment	697	621
Weighted Average Number of Shares Outstanding, Diluted	31,654	32,549
Earnings (Loss) Per Share, Basic	$ 0.45	$ 0.06
Earnings (Loss) Per Share, Diluted	$ 0.44	$ 0.06