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Real Estate (New Real Estate Investments) (Details)	12 Months Ended
	Dec. 31, 2019 USD ($) properties	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Real Estate Investments During The Period	$ 274,457,000
Payments to Acquire Real Estate	$ 219,187,000	$ 131,758,000	$ 157,214,000
Wingate Healthcare [Member]
Number Of Real Estate Properties Acquired | properties	1
Real Estate Investments During The Period	$ 52,200,000
Payments to Acquire Real Estate	$ 50,300,000
Holiday Acquisition Holdings [Member]
Number Of Real Estate Properties Acquired | properties	1
Bickford Senior Living [Member]
Number Of Real Estate Properties Acquired | properties	1
Discovery Senior Living [Member]
Number Of Real Estate Properties Acquired | properties	6
Real Estate Investments During The Period	$ 127,917,000
Cappella Living Solutions [Member]
Number Of Real Estate Properties Acquired | properties	1
Payments to Acquire Real Estate	$ 7,600,000
41 Management [Member]
Number Of Real Estate Properties Acquired | properties	1
Payments to Acquire Real Estate	$ 9,340,000
April 2019 [Member] | Comfort Care Senior Living [Member]
Number Of Real Estate Properties Acquired | properties	1
Real Estate Investments During The Period	$ 10,800,000
Payments to Acquire Real Estate	$ 9,560,000
May 2019 [Member] | Comfort Care Senior Living [Member]
Number Of Real Estate Properties Acquired | properties	1
Real Estate Investments During The Period	$ 13,500,000
Gurnee, IL [Member] | Bickford Senior Living [Member]
Payments to Acquire Real Estate	$ 15,100,000

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Number Of Real Estate Properties Acquired

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The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585

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