Real Estate Investments, Net - Narrative (Details) $ in Millions	Dec. 31, 2019 USD ($) renewal_option facility
Investment [Line Items]
Number of living facilities	217
Independent Living Facilities owned and operated by Company
Investment [Line Items]
Number of living facilities	1
Ensign Master Leases
Investment [Line Items]
Number of facilities leased	85
Annualized rental revenues from master leases | $	$ 53.4
Ensign Master Leases | Minimum
Investment [Line Items]
Annualized revenue escalation rate (percent)	0.00%
Ensign Master Leases | Maximum
Investment [Line Items]
Annualized revenue escalation rate (percent)	2.50%
PMG
Investment [Line Items]
Number of facilities leased	15
Initial lease term (in years)	15 years
Number of renewal options | renewal_option	2
Lease renewal term (in years)	5 years
Annualized rental revenues from master leases | $	$ 27.4
PMG | Minimum
Investment [Line Items]
Annualized revenue escalation rate (percent)	0.00%
PMG | Maximum
Investment [Line Items]
Annualized revenue escalation rate (percent)	3.00%
Various Other Operators
Investment [Line Items]
Number of facilities leased	116