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Goodwill and Intangible Assets (Narrative) (Details) - USD ($)					12 Months Ended
	Dec. 04, 2020	Nov. 01, 2020	Jul. 01, 2020	Jun. 01, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Goodwill [Line Items]
Goodwill					$ 469,072,000	$ 275,368,000	$ 135,442,000
Adjustment of goodwill related to divestiture					$ 1,167,000
Discount rate used in goodwill impairment analysis					8.50%
Percent of fair value of reporting unit excess of carrying value					90.00%
Goodwill impairment charge					$ 0	0	0
Amortization expense					$ 7,100,000	6,600,000	6,200,000
Weighted average remaining useful lives of identifiable intangible assets					9 years 9 months 18 days
State Licenses [Member]
Goodwill [Line Items]
Finite-lived intangible assets related to acquisition				$ 10,700,000
Customer Relationships [Member]
Goodwill [Line Items]
Finite-lived intangible assets related to acquisition				$ 4,700,000
Minimum [Member]
Goodwill [Line Items]
Long-term revenue growth rate assumed in goodwill impairment analysis					5.00%
Intangible assets, estimated useful lives					1 year
Minimum [Member] | Customer and Referral Relationships [Member]
Goodwill [Line Items]
Intangible assets, estimated useful lives					5 years
Maximum [Member]
Goodwill [Line Items]
Long-term revenue growth rate assumed in goodwill impairment analysis					5.50%
Intangible assets, estimated useful lives					25 years
Maximum [Member] | Customer and Referral Relationships [Member]
Goodwill [Line Items]
Intangible assets, estimated useful lives					10 years
Hospice [Member]
Goodwill [Line Items]
Goodwill					$ 314,833,000	146,983,000	22,200,000
Adjustment of goodwill related to divestiture					1,167,000
Personal Care [Member]
Goodwill [Line Items]
Goodwill					152,448,000	$ 126,577,000	$ 112,377,000
Queen City Hospice [Member]
Goodwill [Line Items]
Goodwill	$ 169,207,000
Queen City Hospice [Member] | State Licenses [Member]
Goodwill [Line Items]
Finite-lived intangible assets related to acquisition					$ 7,500,000
Queen City Hospice [Member] | Trade Names [Member]
Goodwill [Line Items]
Intangible assets, estimated useful lives					15 years
Finite-lived intangible assets related to acquisition	$ 11,000,000.0				$ 11,000,000.0
Queen City Hospice [Member] | Non-competition Agreements [Member]
Goodwill [Line Items]
Intangible assets, estimated useful lives	5 years
Finite-lived intangible assets related to acquisition	$ 1,500,000				1,500,000
Queen City Hospice [Member] | Hospice [Member]
Goodwill [Line Items]
Goodwill	$ 169,200,000
County Homemakers, A Plus and SunLife [Member] | Personal Care [Member]
Goodwill [Line Items]
Goodwill					24,700,000
County Homemakers [Member]
Goodwill [Line Items]
Goodwill		$ 13,363,000
County Homemakers [Member] | State Licenses [Member]
Goodwill [Line Items]
Intangible assets, estimated useful lives		8 years
Finite-lived intangible assets related to acquisition		$ 300,000			$ 300,000
County Homemakers [Member] | Trade Names [Member]
Goodwill [Line Items]
Intangible assets, estimated useful lives					1 year
Finite-lived intangible assets related to acquisition		$ 100,000			$ 100,000
A Plus Health Care, Inc [Member]
Goodwill [Line Items]
Goodwill			$ 9,698,000
A Plus Health Care, Inc [Member] | Trade Names [Member]
Goodwill [Line Items]
Intangible assets, estimated useful lives					15 years
Finite-lived intangible assets related to acquisition			$ 1,400,000		$ 1,400,000
General and Administrative Expense [Member]
Goodwill [Line Items]
Loss of disposal of assets					$ 300,000

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