Concentration of Risk (Details)	3 Months Ended
	Mar. 31, 2021 state facility unit_bed	Mar. 31, 2020
Skilled nursing, multi-service campuses, assisted living and independent living facilities
Concentration Risk [Line Items]
Number of facilities	222
Ensign
Concentration Risk [Line Items]
Number of states where Ensign leases the highest concentration of properties | state	4
Ensign | Customer concentration risk | Rental income, exclusive of operating expense reimbursements
Concentration Risk [Line Items]
Concentration risk (percent)	32.00%	32.00%
PMG | Customer concentration risk | Rental income, exclusive of operating expense reimbursements
Concentration Risk [Line Items]
Concentration risk (percent)	16.00%	16.00%
Ensign | Skilled nursing, multi-service campuses, assisted living and independent living facilities
Concentration Risk [Line Items]
Number of facilities	89
Number of beds and units in facilities | unit_bed	9,551
PMG | Skilled nursing and campus facilities
Concentration Risk [Line Items]
Number of facilities	15
Number of beds and units in facilities	2,144