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Major Operators (Details)	12 Months Ended
	Dec. 31, 2020 item property
Major Operators
Number of major operators	2
Prestige Healthcare | SNF
Major Operators
Number of beds | property	24
Number of beds/units	2,922
Prestige Healthcare | ALF
Major Operators
Number of beds/units	93
Senior Lifestyle Corporation | ALF
Major Operators
Number of beds | property	23
Number of beds/units	1,457
Operator Concentration Risk | SNF
Major Operators
Number of beds | property	24
Number of beds/units	2,922
Operator Concentration Risk | ALF
Major Operators
Number of beds | property	23
Number of beds/units	1,550
Total Revenue | Operator Concentration Risk
Major Operators
Concentration risk (as a percent)	30.40%
Total Revenue | Operator Concentration Risk | Prestige Healthcare
Major Operators
Concentration risk (as a percent)	19.70%
Total Revenue | Operator Concentration Risk | Senior Lifestyle Corporation
Major Operators
Concentration risk (as a percent)	10.70%
Total Assets | Operator Concentration Risk
Major Operators
Concentration risk (as a percent)	28.20%
Total Assets | Credit Concentration Risk | Prestige Healthcare
Major Operators
Concentration risk (as a percent)	18.20%
Total Assets | Credit Concentration Risk | Senior Lifestyle Corporation
Major Operators
Concentration risk (as a percent)	10.00%

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