Amount of principal due on delinquent mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate, acquired from controlled and other affiliates.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Footnote 10(b)
-Subsection 29

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Footnote 10(b)))
-URI http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014

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Amount of contractual principal due at origination of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
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Interest rate of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Paragraph Column B
-Subsection 29

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
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-Section S99
-Paragraph 1
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Amount of prior lien on real estate securing mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Paragraph Column E
-Subsection 29

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column E))
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Amount of investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 310
-Section S99
-Paragraph 1
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Mortgage Loans on Real Estate.

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The monthly periodic payment amount paid against the mortgage loans on real estate.

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Schedule IV - Mortgage Loans on Real Estate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Mortgage Loans on Real Estate
Prior Liens	$ 0
Face Amount of Mortgages	802,283
Carrying Amount of Mortgages	877,102	$ 293,752	$ 145,686	$ 249,071
Principal Amount of Loans Subject to Delinquent Principal or Interest	19,865
First Mortgage Loans
Mortgage Loans on Real Estate
Prior Liens	0
Face Amount of Mortgages	32,783
Carrying Amount of Mortgages	32,171
Principal Amount of Loans Subject to Delinquent Principal or Interest	$ 0
First Mortgage Loans \| Triple-net \| North Carolina
Mortgage Loans on Real Estate
Interest Rate	8.00%
Monthly Payment Terms	$ 220
Prior Liens	0
Face Amount of Mortgages	32,783
Carrying Amount of Mortgages	32,171
Principal Amount of Loans Subject to Delinquent Principal or Interest	0
First Mortgage, Multiple Properties
Mortgage Loans on Real Estate
Prior Liens	0
Face Amount of Mortgages	769,500
Carrying Amount of Mortgages	708,242
Principal Amount of Loans Subject to Delinquent Principal or Interest	$ 0
First Mortgage, Multiple Properties \| Outpatient Medical \| United Kingdom
Mortgage Loans on Real Estate
Interest Rate	12.00%
Monthly Payment Terms	$ 3,848
Prior Liens	0
Face Amount of Mortgages	769,500
Carrying Amount of Mortgages	708,242
Principal Amount of Loans Subject to Delinquent Principal or Interest	0
First Mortgages, Less Than Three Percent Of Total
Mortgage Loans on Real Estate
Prior Liens	0
Face Amount of Mortgages	0
Carrying Amount of Mortgages	136,689
Principal Amount of Loans Subject to Delinquent Principal or Interest	$ 19,865
First Mortgages, Less Than Three Percent Of Total \| Triple-net \| United Kingdom - 2
Mortgage Loans on Real Estate
Interest Rate	9.00%
Carrying Amount of Mortgages	$ 39,862
Principal Amount of Loans Subject to Delinquent Principal or Interest	0
First Mortgages, Less Than Three Percent Of Total \| Various \| United States - 10
Mortgage Loans on Real Estate
Carrying Amount of Mortgages	96,827
Principal Amount of Loans Subject to Delinquent Principal or Interest	$ 19,865