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Significant Accounting Policies (Narrative) (Details) shares in Thousands, $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Mar. 01, 2013 USD ($) | Feb. 28, 2013 segment | Dec. 31, 2016 USD ($) state segment item shares | Dec. 31, 2015 USD ($) shares | Dec. 31, 2014 USD ($) item shares
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of reportable business segments | segment |  | 2 | 1 |  |
Number of states in which the company operates | state |  |  | 24 |  |
Number of consumers | item |  |  | 33,000 |  |
Number of locations | item |  |  | 114 |  |
Number of adult day service centers | item |  |  | 3 |  |
Goodwill impairment charge |  |  | $ 0 | $ 0 | $ 0
Impairment of finite-lived intangible assets |  |  | 0 | 0 | 0
Impairment of intangible assets, indefinite-lived (Excluding Goodwill) |  |  | 0 | 0 | 0
Deductible component of workers' compensation |  |  | 400 |  |
Interest income received |  |  | $ 2,800 | $ 0 | $ 0
Number of stock incentive plans | item |  |  |  |  | 2
Stock Options [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of shares included in calculation | shares |  |  | 405 | 650 | 684
Number of dilutive shares outstanding | shares |  |  | 30 | 40 | 146
Restricted Stock [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of shares included in calculation | shares |  |  | 103 | 89 | 80
Number of dilutive shares outstanding | shares |  |  | 27 | 6 | 44
Minimum [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Intangible assets, estimated useful lives |  |  | 2 years |  |
Maximum [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Intangible assets, estimated useful lives |  |  | 25 years |  |
Home Health Segment [Member] | LHC Group, Inc. [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Equity ownership percentage sold | 90.00% |  |  |  |
Discontinued operation, percentage of ownership retained | 10.00% |  |  |  |
Discontinued operation, cash consideration from sale of assets | $ 20,000 |  |  |  |

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