NOVEL CORONAVIRUS PANDEMIC "COVID-19" (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Apr. 30, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Oct. 01, 2020	Apr. 24, 2020	Mar. 27, 2020	Dec. 31, 2019
NOVEL CORONAVIRUS PANDEMIC "COVID-19" [Line Items]
Funding for Healthcare Providers, Including Hospitals								$ 175,000,000
Funding Immediately Distributed to Healthcare Providers Based on Their 2019 Medicare Fee-For-Service Reimbursements								$ 30,000,000
Funding Received From CARES Act	$ 100,000
Provider relief fund advance		$ 60,000		$ 60,000					$ 0
Additional Funding Distributed to Healthcare Providers						$ 20,000,000	$ 18,000,000
CARES Act Deferral of Employer Share Social Security Tax		38,500		38,500
Estimated Future COVID-19 related expenses				17,000
Other operating income		4,812	$ 0	27,592	$ 0
Estimated CARES Act Provider Relief Funds Expected to be Utilized		16,900		16,900
CARES Act Provider Relief Funds Utilized				26,600
Estimated CARES Act Provider Relief Fund Amounts to be Repaid		60,000		60,000
CARES Act Provider Relief Funds Received by Unconsolidated Joint Ventures		1,900		1,900
Total CARES Act Provider Relief Funds Received		105,400		105,400
Increase in Estimated Future COVID-19 Related Expenses		10,000
Home Health and Hospice [Member]
NOVEL CORONAVIRUS PANDEMIC "COVID-19" [Line Items]
COVID-19 Expenses Incurred		5,000		27,000
Personal Care
NOVEL CORONAVIRUS PANDEMIC "COVID-19" [Line Items]
Other operating income		500		1,000
Funding Received From Mass Home Care ASAP COVID-19 Provider Sustainability Program		$ 1,000		$ 1,000
AseraCare Hospice [Member]
NOVEL CORONAVIRUS PANDEMIC "COVID-19" [Line Items]
Funding Received From CARES Act	5,000
Equity Method Investments [Member]
NOVEL CORONAVIRUS PANDEMIC "COVID-19" [Line Items]
Funding Received From CARES Act	$ 2,000