Segments (Summary of Reconciliation of Adjusted EBITDA to Net Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018
Segment Reporting [Abstract]
Net income (loss)	$ (75,192)			$ (53,886)			$ (130,275)	$ (178,314)
Interest expense, net	33,056			32,450			98,904	95,307
Provision for (benefit from) income taxes	137			(1,074)			386	(1,162)
Depreciation and amortization	15,028			16,612			44,167	52,015
EBITDA	(26,971)			(5,898)			13,182	(32,154)
Legal, professional and settlement costs	5,191			1,519			6,480	10,349
Impairment of long-lived assets and goodwill	8,010	$ 26,000	$ 8,900	32,438	$ 0	$ 39,800	42,820	72,198
Loss (gain) on sale of hospitals, net	1,206			805			2,346	8,927
Loss on closure of hospitals, net	18,414			1,111			18,414	18,195
Transition of transition services agreements	6,445			2,445			8,421	3,682
Change in actuarial estimates	0			0			(26,880)	0
Headcount reductions and executive severance	1,393			1,722			2,965	7,688
Total Adjusted EBITDA	$ 13,688			$ 34,142			$ 67,748	$ 88,885