| **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,  2016 2015Medicare75.4% 74.9%Medicare Advantage7.8% 8.2%Managed care9.5% 10.0%Medicaid3.4% 2.6%Other third-party payors1.4% 1.5%Workers’ compensation0.9% 0.9%Patients0.5% 0.7%Other income1.1% 1.2%Total100.0% 100.0%                           |
| Inpatient Rehabilitation Hospital [Member]                                    |                                                                                                                                                                                                                                                                                                                                                                                                                             |
| **Health Care Organization, Receivable and Revenue Disclosures [Line Items]** |                                                                                                                                                                                                                                                                                                                                                                                                                             |
| Concentration of Net Operating Revenues by Payor                              | Our inpatient rehabilitation segment derived its Net operating revenues from the following payor sources: Three Months Ended March 31,  2016 2015Medicare73.8% 73.5%Medicare Advantage7.6% 8.3%Managed care11.0% 11.2%Medicaid3.0% 2.0%Other third-party payors1.6% 1.7%Workers’ compensation1.1% 1.1%Patients0.6% 0.8%Other income1.3% 1.4%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                              | Our home health and hospice segment derived its Net operating revenues from the following payor sources: Three Months Ended March 31,  2016 2015Medicare83.5% 83.8%Medicare Advantage8.7% 7.3%Managed care2.7% 3.1%Medicaid4.9% 5.6%Other third-party payors—% 0.1%Patients0.1% 0.1%Other income0.1% —%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.
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No definition available.
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| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
No definition available.
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