Discontinued Operations - Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Accounts receivable, net	$ 17,191	$ 4,298
Inventory	189	791
Prepaid expenses and other current assets		1,073
Intangible asset held for sale	33,800
Discontinued operations - current assets	51,180	6,162
Property and equipment, net		1,993
Intangible assets, net of accumulated amortization		65,678
Discontinued operations - non-current assets		67,671
Accrued expenses	14,501	3,896
Current portion of lease liabilities		459
Discontinued operations - current liabilities	$ 14,501	4,355
Other liabilities		1,227
Discontinued operations - non- current liabilities		$ 1,227