Segments (Summary of Reconciliation of Adjusted EBITDA to Net Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018
Segment Reporting [Abstract]
Net income (loss)	$ (16,477)		$ (25,941)		$ (55,083)	$ (124,428)
Interest expense, net	33,582		31,926		65,848	62,857
Provision for (benefit from) income taxes	94		(454)		249	(88)
Depreciation and amortization	14,500		17,142		29,139	35,403
EBITDA	31,699		22,673		40,153	(26,256)
Legal, professional and settlement costs	604		5,417		1,289	8,830
Impairment of long-lived assets and goodwill	25,950	$ 8,900	0	$ 39,800	34,810	39,760
Loss (gain) on sale of hospitals, net	1,140		307		1,140	8,122
Loss on closure of hospitals, net	0		3,338		0	17,084
Transition of transition services agreements	834		520		1,976	1,237
Change in actuarial estimates	(26,880)		0		(26,880)	0
Headcount reductions and executive severance	82		4,068		1,572	5,966
Total Adjusted EBITDA	$ 33,429		$ 36,323		$ 54,060	$ 54,743