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Commitments And Contingencies (Narrative) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) properties numberOfProperty numberOfLoan numberOfBedOrUnitInTheProperty	Mar. 31, 2021 USD ($)	Apr. 01, 2022 properties	Dec. 31, 2021 USD ($)
Maximum Commitment For All Active Development Projects	$ 31,300
Development in Process	23,900
Contingent Funding Commitment	$ 33,900
Number of Properties | numberOfProperty	186
Contingent Funding Commitment, Amount Funded	$ 1,000
Lease deposit liabilities	0			$ 8,838
Loans and Leases Receivable, Commitments, Fixed Rates	274,500
Loans and Leases Receivable, Net Amount	316,390			$ 299,952
Litigation Settlement, Amount Awarded from Other Party	6,900
Other Noncash Income	880	$ 700
Proceeds from Sale of Wholly Owned Real Estate and Real Estate Acquired in Settlement of Loans	13,170	$ 0
Lease Payment Deferral [Member]
Operating Lease, Lease Income	35,900
Aggregate lease concessions granted to tenants
Operating Lease, Lease Income	41,400
Discovery PropCo [Member]
Maximum Commitment For All Active Development Projects	$ 2,000
Bickford Senior Living [Member]
Number of Properties | numberOfProperty	37
Loans and Leases Receivable, Commitments, Fixed Rates	$ 4,000
Loans and Leases Receivable, Net Amount	$ 42,912
Note Receivable Interest Rate	7.00%
Bickford Senior Living [Member] | Lease Abatement [Member]
Operating Lease, Lease Income	$ 1,500
Senior Living Communities [Member]
Number of Properties | numberOfProperty	10
Loans and Leases Receivable, Net Amount	$ 47,041
Holiday Acquisition Holdings [Member]
Number of Properties | properties	17
Lease deposit liabilities	$ 8,800
Holiday Acquisition Holdings [Member] | Facilities Transitioned to SHOP Partnership Ventures | Subsequent Event [Member]
Number of Properties | properties			15
Development Commitment [Member]
Number of Operators/Tenants | numberOfLoan	9
Lease Inducement [Member]
Number of Properties | numberOfBedOrUnitInTheProperty	7
Contingent Funding Commitment, Amount Funded	$ 1,500
Lease Inducement [Member] | Navion Senior Solutions [Member]
Contingent Funding Commitment, Amount Funded	1,000
Rent Deferred First Quarter of 2022 | Lease Payment Deferral [Member]
Operating Lease, Lease Income	$ 6,300
Number of Operators/Tenants | numberOfProperty	6
Rent Deferred First Quarter of 2022 | Bickford Senior Living [Member] | Lease Payment Deferral [Member]
Operating Lease, Lease Income	$ 4,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Bickford Senior Living [Member]
Number of Properties | numberOfProperty	6
Note Receivable Interest Rate	10.00%
Notes Receivable Remain Unfunded [Member]
Loans and Leases Receivable, Net Amount	$ 187,900
Loans Receivable
Number of Operators/Tenants | numberOfLoan	7
Collection of Rent Deferred | Lease Payment Deferral [Member]
Operating Lease, Lease Income	$ 200
First Quarter Collection of Rent Deferred | Lease Payment Deferral [Member]
Operating Lease, Lease Income	100
Rent Deferred First Quarter of 2021 | Lease Payment Deferral [Member]
Operating Lease, Lease Income	4,200
Rent Deferred First Quarter of 2021 | Bickford Senior Living [Member] | Lease Payment Deferral [Member]
Operating Lease, Lease Income	3,800
Rent Deferred Second Quarter of 2022 | Lease Payment Deferral [Member]
Operating Lease, Lease Income	$ 1,800

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- Definition

This item represents the maximum amount of a contingent funding commitment.

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Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

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