| **Basis of Presentation (Tables)**                                            | 3 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
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| **Health Care Organization, Receivable and Revenue Disclosures [Line Items]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| Concentration of Net Operating Revenues by Payor                              | We derived consolidated Net operating revenues from the following payor sources: Three Months Ended March 31, 2015 2014Medicare74.9% 75.2%Medicaid2.6% 1.3%Workers’ compensation0.9% 1.3%Managed care and other discount plans, including Medicare Advantage18.2% 18.1%Other third-party payors1.5% 1.6%Patients0.7% 1.0%Other income1.2% 1.5%Total100.0% 100.0%                                                                                      |
| Concentration of Net Patient Service Accounts Receivable by Payor Class       | The concentration of net patient service accounts receivable by payor class, as a percentage of total net patient service accounts receivable, is as follows: March 31, 2015 December 31, 2014Medicare70.7% 72.2%Medicaid1.9% 1.8%Workers' compensation2.0% 1.9%Managed care and other discount plans, including Medicare Advantage20.1% 18.5%Other third-party payors3.8% 3.8%Patients1.5% 1.8%Total100.0% 100.0%                                                    |
| Inpatient Rehabilitation Hospital [Member]                                    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| **Health Care Organization, Receivable and Revenue Disclosures [Line Items]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| Concentration of Net Operating Revenues by Payor                              | During the three months ended March 31, 2015 and 2014, our inpatient rehabilitation segment derived its Net operating revenues from the following payor sources: Three Months Ended March 31, 2015 2014Medicare73.5% 74.8%Medicaid2.0% 1.3%Workers’ compensation1.1% 1.3%Managed care and other discount plans, including Medicare Advantage19.5% 18.3%Other third-party payors1.7% 1.6%Patients0.8% 1.1%Other income1.4% 1.6%Total100.0% 100.0% |
| Home Health and Hospice [Member]                                              |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| **Health Care Organization, Receivable and Revenue Disclosures [Line Items]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| Concentration of Net Operating Revenues by Payor                              | During the three months ended March 31, 2015 and 2014, our home health and hospice segment derived its Net operating revenues from the following payor sources: Three Months Ended March 31, 2015 2014Medicare83.8% 96.2%Medicaid5.6% —%Workers’ compensation—% 0.4%Managed care and other discount plans, including Medicare Advantage10.4% 2.0%Other third-party payors0.1% 1.4%Patients0.1% —%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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| - Definition
Tabular disclosure of the concentration of net patient service accounts receivable by payor class as a percentage of total net patient service accounts receivable.
+ References
No definition available.
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