Real Estate (Prior Year Real Estate Investments) (Details)	12 Months Ended
Dec. 31, 2020 USD ($) beds_or_units properties	Dec. 31, 2019 USD ($)
Number of Real Estate Properties \| properties	228
Land	$ 220,361,000	$ 213,617,000
Prior Period Real Estate Acquisition
Land	15,259,000
Buildings and Improvements, Gross	259,198,000
Real Estate Investments During The Period	$ 274,457,000
Wingate Healthcare [Member] \| Prior Period Real Estate Acquisition
Number of Real Estate Properties \| beds_or_units	1
Land	$ 5,500,000
Buildings and Improvements, Gross	46,700,000
Real Estate Investments During The Period	$ 52,200,000
Holiday Acquisition Holdings [Member]
Number of Real Estate Properties \| properties	26
Holiday Acquisition Holdings [Member] \| Prior Period Real Estate Acquisition
Number of Real Estate Properties \| beds_or_units	1
Land	$ 550,000
Buildings and Improvements, Gross	37,450,000
Real Estate Investments During The Period	$ 38,000,000
Comfort Care Senior Living [Member] \| Prior Period Real Estate Acquisition
Number of Real Estate Properties \| beds_or_units	1
Land	$ 6,301,000
Comfort Care Senior Living [Member] \| Prior Period Real Estate Acquisition \| April 2019 [Member]
Land	570,000
Buildings and Improvements, Gross	10,230,000
Real Estate Investments During The Period	10,800,000
Comfort Care Senior Living [Member] \| Prior Period Real Estate Acquisition \| May 2019 [Member]
Land	410,000
Buildings and Improvements, Gross	13,090,000
Real Estate Investments During The Period	$ 13,500,000
Discovery Senior Living [Member] \| Prior Period Real Estate Acquisition
Number of Real Estate Properties \| beds_or_units	6
Buildings and Improvements, Gross	$ 121,616,000
Real Estate Investments During The Period	$ 127,917,000
Cappella Living Solutions [Member] \| Prior Period Real Estate Acquisition
Number of Real Estate Properties \| beds_or_units	1
Land	$ 169,000
Buildings and Improvements, Gross	7,431,000
Real Estate Investments During The Period	$ 7,600,000
Bickford Senior Living [Member] \| Prior Period Real Estate Acquisition
Number of Real Estate Properties \| beds_or_units	1
Land	$ 1,244,000
Buildings and Improvements, Gross	13,856,000
Real Estate Investments During The Period	$ 15,100,000
41 Management [Member] \| Prior Period Real Estate Acquisition
Number of Real Estate Properties \| beds_or_units	1
Land	$ 515,000
Buildings and Improvements, Gross	8,825,000
Real Estate Investments During The Period	$ 9,340,000

Real Estate Investments During The Period

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- Definition

Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 4
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=121566466&loc=d3e6812-107765

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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- Definition

Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 4
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=121566466&loc=d3e6812-107765

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- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

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