| **Basis of Presentation (Tables)**                                                  | 3 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
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| **Organization, Consolidation and Presentation of Financial Statements [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| Concentration of Net Operating Revenues by Payor                                    | During the three months ended March 31, 2014 and 2013, we derived consolidated Net operating revenues from the following payor sources: Three Months Ended March 31, 2014 2013Medicare75.2% 74.7%Medicaid1.3% 1.1%Workers’ compensation1.3% 1.3%Managed care and other discount plans, including Medicare Advantage18.1% 18.5%Other third-party payors1.6% 1.7%Patients1.0% 1.1%Other income1.5% 1.6%Total100.0% 100.0% |

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| - Definition
Tabular disclosure of the concentration of net operating revenues by payor class as a percentage of total net operating revenues.
+ References
No definition available.
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| - Details**Name:**us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |