DESCRIPTION OF BUSINESS (Details)	Jun. 30, 2021 property tenant
Real estate properties
Number of real estate properties	1,200
Largest tenants | tenant	3
Brookdale Senior Living
Real estate properties
Number of real estate properties	121
Ardent
Real estate properties
Number of real estate properties	12
Kindred
Real estate properties
Number of real estate properties	32
Triple-Net Leased Properties
Real estate properties
Number of real estate properties	358
Seniors Housing Communities
Real estate properties
Number of real estate properties	449