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Acquisitions (Narrative) (Details) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  |  |  |  | 12 Months Ended
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Oct. 01, 2021 USD ($) | Aug. 01, 2021 USD ($) | Dec. 04, 2020 USD ($) | Dec. 01, 2020 USD ($) | Nov. 01, 2020 USD ($) | Jul. 01, 2020 USD ($) | Oct. 01, 2019 USD ($) location $ / shares shares | Sep. 09, 2019 $ / shares shares | Aug. 01, 2019 USD ($) | Jun. 01, 2019 USD ($) | Dec. 31, 2021 USD ($) $ / shares | Dec. 31, 2020 USD ($) $ / shares | Dec. 31, 2019 USD ($) shares
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total purchase price for business acquisition |  |  |  |  |  |  |  |  |  |  | $ 37,370 | $ 207,660 | $ 184,076
Net service revenues |  |  |  |  |  |  |  |  |  |  | $ 864,499 | $ 764,775 | 648,791
Common stock, par value | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 0.001 | $ 0.001 |
Goodwill |  |  |  |  |  |  |  |  |  |  | $ 504,392 | $ 469,072 | $ 275,368
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets, estimated useful lives |  |  |  |  |  |  |  |  |  |  | 1 year |  |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets, estimated useful lives |  |  |  |  |  |  |  |  |  |  | 25 years |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued during period | shares |  |  |  |  |  |  |  | 2,300,000 |  |  |  |  | 2,300,000
Common stock, par value | $ / shares |  |  |  |  |  |  |  | $ 0.001 |  |  |  |  |
Over Allotment Option [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued during period | shares |  |  |  |  |  |  |  | 300,000 |  |  |  |  |
State Licenses [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets acquired |  |  |  |  |  |  |  |  |  | $ 10,700 |  |  |
Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets acquired |  |  |  |  |  |  |  |  |  | 4,700 |  |  |
Armada Skilled Homecare [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | $ 28,438 |  |  |  |  |  |  |  |  |  |  |
Armada Skilled Homecare [Member] | Non-competition Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets acquired |  | $ 600 |  |  |  |  |  |  |  |  | $ 600 |  |
Intangible assets, estimated useful lives |  | 5 years |  |  |  |  |  |  |  |  |  |  |
Armada Skilled Homecare [Member] | State Licenses [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets acquired |  |  |  |  |  |  |  |  |  |  | 400 |  |
Indefinite lived intangible assets acquired |  | $ 400 |  |  |  |  |  |  |  |  |  |  |
Armada Skilled Homecare [Member] | New Mexico [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total purchase price for business acquisition |  | 29,800 |  |  |  |  |  |  |  |  |  |  |
Excess cash held by acquired business |  | $ 700 |  |  |  |  |  |  |  |  |  |  |
Acquisition related costs |  |  |  |  |  |  |  |  |  |  | 400 |  |
Integration costs |  |  |  |  |  |  |  |  |  |  | 500 |  |
Net service revenues |  |  |  |  |  |  |  |  |  |  | 4,000 |  |
Operating income (loss) from continuing operations |  |  |  |  |  |  |  |  |  |  | 1,300 |  |
Queen City Hospice [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  | $ 169,338 |  |  |  |  |  |  |  |  |  |
Queen City Hospice [Member] | Non-competition Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets acquired |  |  | $ 1,500 |  |  |  |  |  |  |  |  | 1,500 |
Intangible assets, estimated useful lives |  |  | 5 years |  |  |  |  |  |  |  |  |  |
Queen City Hospice [Member] | State Licenses [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets acquired |  |  |  |  |  |  |  |  |  |  |  | 7,500 |
Indefinite lived intangible assets acquired |  |  | $ 7,500 |  |  |  |  |  |  |  |  |  |
Queen City Hospice [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets acquired |  |  | $ 11,000 |  |  |  |  |  |  |  |  | 11,000 |
Intangible assets, estimated useful lives |  |  | 15 years |  |  |  |  |  |  |  |  |  |
Queen City Hospice [Member] | Ohio [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total purchase price for business acquisition |  |  | $ 194,800 |  |  |  |  |  |  |  |  |  |
Excess cash held by acquired business |  |  | $ 15,400 |  |  |  |  |  |  |  |  |  |
Acquisition related costs |  |  |  |  |  |  |  |  |  |  |  | 1,800 |
Integration costs |  |  |  |  |  |  |  |  |  |  | $ 2,200 |  |
County Homemakers [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  | $ 13,502 |  |  |  |  |  |  |  |
County Homemakers [Member] | State Licenses [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets acquired |  |  |  |  | $ 300 |  |  |  |  |  |  | 300 |
Intangible assets, estimated useful lives |  |  |  |  | 8 years |  |  |  |  |  |  |  |
County Homemakers [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets acquired |  |  |  |  | $ 100 |  |  |  |  |  |  | 100 |
Intangible assets, estimated useful lives |  |  |  |  | 1 year |  |  |  |  |  |  |  |
County Homemakers [Member] | Pennsylvania [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total purchase price for business acquisition |  |  |  |  | $ 15,800 |  |  |  |  |  |  |  |
Excess cash held by acquired business |  |  |  |  | $ 1,100 |  |  |  |  |  |  |  |
Acquisition related costs |  |  |  |  |  |  |  |  |  |  |  | 300 |
Integration costs |  |  |  |  |  |  |  |  |  |  |  | 200 |
A Plus Health Care, Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  | $ 9,732 |  |  |  |  |  |  |
A Plus Health Care, Inc [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets acquired |  |  |  |  |  | $ 1,400 |  |  |  |  |  | 1,400 |
Intangible assets, estimated useful lives |  |  |  |  |  | 15 years |  |  |  |  |  |  |
A Plus Health Care, Inc [Member] | Montana [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total purchase price for business acquisition |  |  |  |  |  | $ 14,500 |  |  |  |  |  |  |
Excess cash held by acquired business |  |  |  |  |  | $ 2,800 |  |  |  |  |  |  |
Acquisition related costs |  |  |  |  |  |  |  |  |  |  |  | 400 |
Integration costs |  |  |  |  |  |  |  |  |  |  |  | 300 |
Hospice Partners [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total purchase price for business acquisition |  |  |  |  |  |  | $ 135,600 |  |  |  |  |  |
Excess cash held by acquired business |  |  |  |  |  |  | $ 5,500 |  |  |  |  |  |
Acquisition related costs |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,600
Integration costs |  |  |  |  |  |  |  |  |  |  |  | 1,600 | 600
Number of locations | location |  |  |  |  |  |  | 21 |  |  |  |  |  |
Goodwill |  |  |  |  |  |  | $ 111,806 |  |  |  |  |  |
Hospice Partners [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued during period | shares |  |  |  |  |  |  | 2,300,000,000 |  |  |  |  |  |
Common stock, par value | $ / shares |  |  |  |  |  |  | $ 0.001 |  |  |  |  |  |
Public offering price, per share | $ / shares |  |  |  |  |  |  | $ 79.50 |  |  |  |  |  |
Hospice Partners [Member] | Over Allotment Option [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued during period | shares |  |  |  |  |  |  | 300,000,000 |  |  |  |  |  |
Hospice Partners [Member] | Non-competition Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets acquired |  |  |  |  |  |  | $ 2,500 |  |  |  |  |  |
Hospice Partners [Member] | Non-competition Agreements [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets, estimated useful lives |  |  |  |  |  |  | 3 years |  |  |  |  |  |
Hospice Partners [Member] | Non-competition Agreements [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets, estimated useful lives |  |  |  |  |  |  | 5 years |  |  |  |  |  |
Hospice Partners [Member] | State Licenses [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Indefinite lived intangible assets acquired |  |  |  |  |  |  | $ 6,100 |  |  |  |  |  |
Hospice Partners [Member] | Trade Names [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets acquired |  |  |  |  |  |  | $ 9,500 |  |  |  |  |  |
Intangible assets, estimated useful lives |  |  |  |  |  |  | 15 years |  |  |  |  |  |
Alliance Home Health Care [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total purchase price for business acquisition |  |  |  |  |  |  |  |  | $ 23,500 |  |  |  |
Acquisition related costs |  |  |  |  |  |  |  |  |  |  |  |  | 400
Integration costs |  |  |  |  |  |  |  |  |  |  |  | $ 200 | 400
Goodwill |  |  |  |  |  |  |  |  | 17,062 |  |  |  |
Alliance Home Health Care [Member] | State Licenses [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets acquired |  |  |  |  |  |  |  |  | $ 1,100 |  |  |  |
Intangible assets, estimated useful lives |  |  |  |  |  |  |  |  | 10 years |  |  |  |
Indefinite lived intangible assets acquired |  |  |  |  |  |  |  |  | $ 4,300 |  |  |  |
VIP Health Care Services [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total purchase price for business acquisition |  |  |  |  |  |  |  |  |  | 29,900 |  |  |
Acquisition related costs |  |  |  |  |  |  |  |  |  |  |  |  | 300
Integration costs |  |  |  |  |  |  |  |  |  |  |  |  | $ 500
Goodwill |  |  |  |  |  |  |  |  |  | $ 11,936 |  |  |
VIP Health Care Services [Member] | State Licenses [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets, estimated useful lives |  |  |  |  |  |  |  |  |  | 6 years |  |  |
VIP Health Care Services [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets, estimated useful lives |  |  |  |  |  |  |  |  |  | 8 years |  |  |
Summit Home Health, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total purchase price for business acquisition | $ 8,100 |  |  |  |  |  |  |  |  |  |  |  |
Goodwill | $ 6,500 |  |  |  |  |  |  |  |  |  |  |  |
SunLife Hospice [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total purchase price for business acquisition |  |  |  | $ 1,700 |  |  |  |  |  |  |  |  |
Goodwill |  |  |  | $ 1,600 |  |  |  |  |  |  |  |  |

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