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Business Combinations - Textual (Details) $ in Millions |  | 9 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 01, 2017 | Sep. 30, 2017 USD ($) | Aug. 01, 2017 location | Jul. 01, 2017 location | May 01, 2017 location | Apr. 08, 2017 bed | Apr. 01, 2017 bed | Feb. 01, 2017 location
Inpatient Rehabilitation Segment [Member] | Memorial Hospital at Gulfport [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Interest acquired in business acquisition (percent) |  |  |  |  |  |  | 80.00% |
Number of beds in facility acquired | bed |  |  |  |  |  |  | 33 |
Inpatient Rehabilitation Segment [Member] | Mount Carmel West [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Interest acquired in business acquisition (percent) |  |  |  |  |  | 80.00% |  |
Number of beds in facility acquired | bed |  |  |  |  |  | 60 |  |
Inpatient Rehabilitation Segment [Member] | Jackson-Madison County General Hospital [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Interest acquired in business acquisition (percent) |  |  |  | 50.00% |  |  |  |
Inpatient Rehabilitation Segment [Member] | Heritage Valley Beaver Hospital [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Interest acquired in business acquisition (percent) | 75.00% |  |  |  |  |  |  |
Interest exchanged in business acquisition (percent) | 25.00% |  |  |  |  |  |  |
Inpatient Rehabilitation Segment [Member] | Gulfport, Mount Carmel, Jackson and Heritage Valley [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Goodwill deductible for federal income tax purposes | $ |  | $ 0.0 |  |  |  |  |  |
Inpatient Rehabilitation Segment [Member] | Gulfport, Mount Carmel, Jackson and Heritage Valley [Member] | Trade Names [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Acquired intangible asset useful lives |  | 20 years |  |  |  |  |  |
Inpatient Rehabilitation Segment [Member] | Gulfport, Mount Carmel, Jackson and Heritage Valley [Member] | Certificate of Need [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Acquired intangible asset useful lives |  | 20 years |  |  |  |  |  |
Home Health and Hospice Segment [Member] | Celtic, Community, Bio Care, and VNA [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Goodwill deductible for federal income tax purposes | $ |  | $ 20.5 |  |  |  |  |  |
Home Health and Hospice Segment [Member] | Celtic, Community, Bio Care, and VNA [Member] | Noncompete Agreements [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Acquired intangible asset useful lives |  | 5 years |  |  |  |  |  |
Home Health and Hospice Segment [Member] | Celtic, Community, Bio Care, and VNA [Member] | Trade Names [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Acquired intangible asset useful lives |  | 1 year |  |  |  |  |  |
Home Health and Hospice Segment [Member] | Celtic, Community, Bio Care, and VNA [Member] | Certificate of Need [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Acquired intangible asset useful lives |  | 10 years |  |  |  |  |  |
Home Health and Hospice Segment [Member] | Celtic, Community, Bio Care, and VNA [Member] | License [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Acquired intangible asset useful lives |  | 10 years |  |  |  |  |  |
Home Health and Hospice Segment [Member] | Celtic Healthcare of Maryland, Inc. (Celtic) [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of Locations of an Acquired Entity |  |  |  |  |  |  |  | 2
Home health [Member] | Home Health and Hospice Segment [Member] | Community Health Services, Inc. (Community) [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of Locations of an Acquired Entity |  |  |  |  |  |  |  | 2
Home health [Member] | Home Health and Hospice Segment [Member] | Bio Care Home Health Services and Kinsman Enterprises [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of Locations of an Acquired Entity |  |  |  |  | 2 |  |  |
Home health [Member] | Home Health and Hospice Segment [Member] | VNA Healthtrends - IL, IN, AZ [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of Locations of an Acquired Entity |  |  |  | 4 |  |  |  |
Home health [Member] | Home Health and Hospice Segment [Member] | VNA Healthtrends - OH and IL [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of Locations of an Acquired Entity |  |  | 2 |  |  |  |  |
Minimum [Member] | Inpatient Rehabilitation Segment [Member] | Gulfport, Mount Carmel, Jackson and Heritage Valley [Member] | Noncompete Agreements [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Acquired intangible asset useful lives |  | 2 years |  |  |  |  |  |
Maximum [Member] | Inpatient Rehabilitation Segment [Member] | Gulfport, Mount Carmel, Jackson and Heritage Valley [Member] | Noncompete Agreements [Member] |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Acquired intangible asset useful lives |  | 3 years |  |  |  |  |  |

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