Discontinued Operations, Assets Held for Sale - Components Attributable to Commercial Business (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss from discontinued operations	$ (1,302)	$ (2,889)	$ (10,738)	$ (6,280)
Commercial Business Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Additional channel obligations	(105)	(656)	(428)	(1,666)
Selling, general, and administrative	(897)	(2,233)	(2,510)	(4,614)
Settlements associated with USAO NJ and DOJ and the qui tam action (Note 5)	(300)	0	(7,800)	0
Loss from discontinued operations	$ (1,302)	$ (2,889)	$ (10,738)	$ (6,280)