Segments (Summary of Reconciliation of Adjusted EBITDA to Net Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting [Abstract]
Net income (loss)	$ (38,606)	$ (98,487)
Interest expense, net	32,266	30,931
Provision for (benefit from) income taxes	155	366
Depreciation and amortization	14,639	18,261
EBITDA	8,454	(48,929)
Legal, professional and settlement costs	685	3,413
Impairment of long-lived assets and goodwill	8,860	39,760
Loss (gain) on sale of hospitals, net	0	7,815
Loss on closure of hospitals, net	0	13,746
Transition of transition services agreements	1,142	717
Post-spin headcount reductions and executive severance	1,490	1,898
Total adjusted EBITDA	$ 20,631	$ 18,420