Subsequent Events (Narrative) (Details) $ in Millions	Feb. 26, 2018 USD ($)	Feb. 14, 2018 item	Jan. 31, 2018 item
Subsequent Event [Member] | Tennova Healthcare - Jamestown [Member]
Subsequent Event [Line Items]
Definitive Agreement Date			Jan. 31, 2018
Number of licensed beds | item			85
Subsequent Event [Member] | Byrd Regional Hospital [Member]
Subsequent Event [Line Items]
Definitive Agreement Date		Feb. 14, 2018
Number of licensed beds | item		60
Maximum [Member]
Subsequent Event [Line Items]
First Lien Net Debt to EBITDA	5.25
First Lien Net Debt to EBITDA in Period One	5.0
First Lien Net Debt to EBITDA in Period Two	4.75
First Lien Net Debt to EBITDA in Period Three	4.5
First Lien Net Debt to EBITDA in Period Four	4.25
Credit Facility, Type of Debt, Amendment [Member] | Subsequent Event [Member] | Credit Facility, Name [Member]
Subsequent Event [Line Items]
Revolving credit facility | $	$ 650
Percentage of net cash proceeds of asset sales applied to prepay term loans, tier 1	100.00%
Percentage of net cash proceeds of asset sales applied to prepay term loans, tier 2	50.00%
Percentage of net cash proceeds of asset sales applied to prepay term loans, tier 3	0.00%
Credit Facility, Type of Debt, Amendment [Member] | Subsequent Event [Member] | Credit Facility, Revolving Credit Loans, Extended and Non-Extended [Member]
Subsequent Event [Line Items]
Revolving credit facility | $	$ 840
Credit Facility, Type of Debt, Amendment [Member] | Minimum [Member] | Subsequent Event [Member] | Credit Facility, Name [Member]
Subsequent Event [Line Items]
First Lien Net Debt to EBITDA, Tier 1	4.5
First Lien Net Debt to EBITDA, Tier 2	4.0
Credit Facility, Type of Debt, Amendment [Member] | Maximum [Member] | Subsequent Event [Member] | Credit Facility, Name [Member]
Subsequent Event [Line Items]
First Lien Net Debt to EBITDA, Tier 2	4.5
First Lien Net Debt to EBITDA, Tier 3	4.0