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Investment Activity (Schedule of Cash Rents Received) (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Real Estate [Line Items]
Total rental income from cash basis operators	$ 65,760	$ 60,952		$ 127,947	$ 126,250
Cash Basis Lessees
Real Estate [Line Items]
Total rental income from cash basis operators	15,088	10,437		26,854	22,443
Lump sum payment	2,500
Cash Basis Lessees | Bickford
Real Estate [Line Items]
Total rental income from cash basis operators	9,946	8,119		19,310	15,927
Asset acquisition, rent deferral deduction			$ 2,500
Cash Basis Lessees | All others
Real Estate [Line Items]
Total rental income from cash basis operators	$ 5,142	$ 2,318		$ 7,544	$ 6,516

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Amount of lease income from operating, direct financing, and sales-type leases. Includes, but is not limited to, variable lease payments, interest income, profit (loss) recognized at commencement, and lease payments paid and payable to lessor.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479773/842-30-50-5

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 976
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477332/976-310-50-1

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