Discontinued Operations, Assets and Liabilities Held for Sale & Sales of Businesses - Financial Condition Disclosures (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Assets:
Fixed assets, less accumulated depreciation	$ 0	$ 391
Intangible assets, net of accumulated amortization	25,999	34,696
Other assets	0	5,397
Total assets of businesses held for sale	25,999	40,484
Liabilities:
Accrued compensation expense	0	2,298
Accrued expenses and other liabilities	0	58
Total liabilities of businesses held for sale	$ 0	$ 2,356