Basis of Presentation and Significant Accounting Policies (Summary of Major Components of Other Operating Expenses) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Other Operating Expenses [Line Items]
Taxes and insurance	$ 1,646	$ 33,627	$ 35,610	$ 66,682
Repairs and maintenance	9,318	9,060	18,853	18,697
Utilities	5,239	5,592	10,541	11,715
Other miscellaneous operating expenses	16,838	18,176	33,065	38,954
Total other operating expenses	106,954	144,456	243,743	297,194
Purchased Services [Member]
Other Operating Expenses [Line Items]
Professional fees	41,582	37,502	79,424	78,582
Medical Specialist Fees [Member]
Other Operating Expenses [Line Items]
Professional fees	25,154	26,433	51,224	53,381
Community Health Systems, Inc [Member]
Other Operating Expenses [Line Items]
Transition services agreements	$ 7,177	$ 14,066	$ 15,026	$ 29,183