Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Stockholders' Equity Attributable to Parent [Abstract]
Stock Repurchase Program, Authorized Amount	$ 30,000
Stock Repurchased During Period, Shares	3,900,000
Stock Repurchased During Period, Value	$ 8,500
Treasury Stock Acquired, Average Cost Per Share	$ 2.16
Treasury Stock, Shares, Acquired	590,000
Treasury Stock, Value	$ 1,305	$ 0