Income Taxes Text (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Loss from continuing operations before provision for income taxes	$ (1,520)	$ (51,006)	$ (17,802)	$ (93,536)
Provision for income taxes	3,883	$ (2,238)	$ 8,470	$ (1,229)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent			35.00%
Potential Change in Unrecognized Tax Benefits	$ 36,100		$ 36,100