NOVEL CORONAVIRUS PANDEMIC ("COVID-19") (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended			15 Months Ended
	Apr. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jun. 30, 2021	Mar. 27, 2020
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
CARES Act Provider Relief Funds Utilized					$ 46,600
CARES Act Provider Relief Funds Repaid		$ 58,300
Total CARES Act Provider Relief Funds Received		106,800
Extension Of Temporary Suspension Of Sequestration Revenue Impact		36,000	$ 23,000
CARES Act Deferral Of Employer Share Social Security Tax		27,000	55,000
Payroll and employee benefits		141,001	146,929
Other operating income		13,300	34,372	$ 0
CARES Act Interest To Be Repaid to Government		200
COVID-19 Deferral of Social Security Taxes [Member]
NOVEL CORONAVIRUS PANDEMIC ("COVID-19") [Line Items]
CARES Act Deferral Of Employer Share Social Security Tax			55,000
Payment of Deferred Social Security Tax Under CARES Act		27,000
Payroll and employee benefits		27,000
Personal Care [Member]
NOVEL CORONAVIRUS PANDEMIC ("COVID-19") [Line Items]
Other operating income			1,000
Funding Received From Mass HomeCare ASAP COVID19 Provider Sustainability Program			$ 1,000
AseraCare Hospice [Member]
NOVEL CORONAVIRUS PANDEMIC ("COVID-19") [Line Items]
Funding Received From CARES Act	6,000
Equity Method Investments [Member]
NOVEL CORONAVIRUS PANDEMIC ("COVID-19") [Line Items]
Funding Received From CARES Act	$ 2,000
CARES Act Provider Relief Funds Repaid By Unconsolidated Joint Ventures		$ 600
CARES Act Provider Relief Funds Utilized By Unconsolidated Joint Ventures					$ 1,300