BUSINESS (Details) $ in Millions	3 Months Ended	12 Months Ended		22 Months Ended
	Nov. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2021 USD ($) tenant
Organization, Consolidation And Presentation Of Financial Statements [Line Items]
Number of tenants granted temporary pandemic-related rent deferral | tenant				6
Temporary pandemic-related rent deferrals				$ 3.4
Payments received on temporary pandemic-related rent deferrals				$ 0.3
Minimum
Organization, Consolidation And Presentation Of Financial Statements [Line Items]
Temporary pandemic-related rent deferral period (in months)				2 months
Maximum
Organization, Consolidation And Presentation Of Financial Statements [Line Items]
Temporary pandemic-related rent deferral period (in months)				9 months
Avamere
Organization, Consolidation And Presentation Of Financial Statements [Line Items]
Letter of credit utilized to fund rent	$ 11.9
Resident fee and services
Organization, Consolidation And Presentation Of Financial Statements [Line Items]
Grants recognized		$ 0.5	$ 1.8