Held for Sale and Discontinued Operations - Schedule of Financial Position for DMG's Discontinued Operations (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Assets
Total current assets held for sale	$ 5,389,565	$ 5,761,642
Liabilities
Total current liabilities held for sale	1,243,759	1,185,070
DMG | Discontinued Operations, Held-for-sale
Assets
Cash and cash equivalents	414,683	179,668
Other current assets	557,403	826,608
Property and equipment, net	458,040	379,945
Intangible assets, net	1,316,974	1,316,550
Other long-term assets	112,127	178,894
Goodwill	2,847,178	2,879,977
Valuation Allowance On Disposal Group	(316,840)	0
Total current assets held for sale	5,389,565	5,761,642
Liabilities
Other liabilities	479,134	505,734
Medical payables	436,839	457,040
Current portion of long-term debt	3,122	2,845
Long-term debt	33,425	35,003
Other long-term liabilities	157,167	184,448
Total current liabilities held for sale	$ 1,243,759	$ 1,185,070