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Acquisitions (Narrative) (Details) - USD ($) $ in Thousands |  |  |  |  | 3 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Dec. 04, 2020 | Dec. 01, 2020 | Nov. 01, 2020 | Jul. 01, 2020 | Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Business Acquisition [Line Items] |  |  |  |  |  |  |
Total purchase price for business acquisition |  |  |  |  |  | $ 87 |
Goodwill |  |  |  |  | $ 469,036 |  | $ 469,072
Queen City Hospice [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Goodwill | $ 169,107 |  |  |  |  |  |
Queen City Hospice [Member] | Trade Names [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Intangible assets, estimated useful lives | 15 years |  |  |  |  |  |
Identifiable intangible assets acquired | $ 11,000 |  |  |  |  |  |
Queen City Hospice [Member] | Non-competition Agreements [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Intangible assets, estimated useful lives | 5 years |  |  |  |  |  |
Identifiable intangible assets acquired | $ 1,500 |  |  |  |  |  |
Queen City Hospice [Member] | State Licenses [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Indefinite lived intangible assets acquired | 7,500 |  |  |  |  |  |
Queen City Hospice [Member] | Ohio [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Total purchase price for business acquisition | 194,800 |  |  |  |  |  |
Integration costs |  |  |  |  | 900 |  |
Excess cash held by acquired business | $ 15,400 |  |  |  |  |  |
County Homemakers [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Goodwill |  | $ 13,403 |  |  |  |  |
County Homemakers [Member] | Trade Names [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Intangible assets, estimated useful lives |  |  | 1 year |  |  |  |
Identifiable intangible assets acquired |  |  | $ 100 |  |  |  |
County Homemakers [Member] | State Licenses [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Intangible assets, estimated useful lives |  |  | 8 years |  |  |  |
Identifiable intangible assets acquired |  |  | $ 300 |  |  |  |
County Homemakers [Member] | Pennsylvania [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Total purchase price for business acquisition |  |  | 15,800 |  |  |  |
Integration costs |  |  |  |  | 100 |  |
Excess cash held by acquired business |  |  | $ 1,100 |  |  |  |
A Plus Health Care, Inc [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Goodwill |  |  |  | $ 9,711 |  |  |
A Plus Health Care, Inc [Member] | Trade Names [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Intangible assets, estimated useful lives |  |  |  | 15 years |  |  |
Identifiable intangible assets acquired |  |  |  | $ 1,400 |  |  |
A Plus Health Care, Inc [Member] | Montana [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Total purchase price for business acquisition |  |  |  | 14,500 |  |  |
Integration costs |  |  |  |  | $ 100 |  |
Excess cash held by acquired business |  |  |  | $ 2,800 |  |  |
SunLife Hospice [Member] |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Total purchase price for business acquisition |  | 1,700 |  |  |  |  |
Goodwill |  | $ 1,600 |  |  |  |  |

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