DESCRIPTION OF BUSINESS (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2022 USD ($) property tenant	Sep. 30, 2022 USD ($) segment property tenant	Sep. 30, 2021 USD ($)
Real estate properties
Number of Properties Held for Sale	1,300	1,300
Number of Reportable Segments | segment		3
Largest tenants | tenant	3	3
COVID-19 Impact
Real estate properties
HHS Grants Received of Provider Relief Fund | $	$ 20.2	$ 54.2	$ 13.6
Brookdale Senior Living
Real estate properties
Number of Properties Held for Sale	121	121
Ardent
Real estate properties
Number of Properties Held for Sale	30	30
Kindred
Real estate properties
Number of Properties Held for Sale	29	29
Triple-Net Leased Properties
Real estate properties
Number of Properties Held for Sale	331	331
Seniors Housing Communities
Real estate properties
Number of Properties Held for Sale	558	558