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Segment Reporting Segment Reporting - Textuals (Details)	Dec. 31, 2017 state location facilities
Segment Reporting Information [Line Items]
Number of states in which Entity operates | state	36
Inpatient Rehabilitation Segment [Member]
Segment Reporting Information [Line Items]
Number of states in which Entity operates | state	31
Number of inpatient rehabilitation hospitals	127
Number of Joint Venture hospitals accounted for using equity method of accounting	1
Number of inpatient rehabilitation units under management contracts	4
Home Health and Hospice Segment [Member]
Segment Reporting Information [Line Items]
Number of states in which Entity operates | state	28
Number of Hospital Based Home Health and Hospice Agencies | location	237
Number of Joint Venture Agencies Accounted for Using the Equity Method	2

X

- Definition

Total number of inpatient rehabilitation hospitals owned and operated as of the balance sheet date.

+ References

No definition available.

+ Details

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X

- Definition

Number of inpatient rehabilitation units under management contracts with the Company as of the balance sheet date.

+ References

No definition available.

+ Details

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X

- Definition

Total number of joint venture hospitals accounted for using the equity method.

+ References

No definition available.

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X

- Definition

Number of hospital based home health and hospice agencies the Company owns and operates as of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

Total number of joint venture agencies accounted for using the equity method.

+ References

No definition available.

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- Definition

The number of states the entity operates in as of the balance sheet date.

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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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