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Loans Receivable and Other Lending Investments, Net (Impaired Loans) (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) loan
Impaired Loans
Amortized Cost	$ 0		$ 0		$ 29,493,000
Unpaid Principal Balance	0		0		29,358,000
Related Allowance	0		0		$ (396,000)
Number of non accrual loans | loan					1
Interest income on Impaired loans	0	$ 0	0	$ 0
Senior mortgages
Impaired Loans
Amortized Cost	0		0		$ 29,493,000
Unpaid Principal Balance	0		0		29,358,000
Related Allowance	$ 0		$ 0		(396,000)
Nonperforming Financial Instruments
Financing Receivable, Impaired [Line Items]
Carrying value of loans					$ 29,100,000

X

- Definition

Amount of interest income on financing receivables, for which there is a related allowance for credit losses, recognized on a cash-basis method of accounting that the financing receivables were impaired.

+ References

No definition available.

+ Details

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Period Type:	duration

X

- Definition

Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.

+ References

No definition available.

+ Details

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X

- Definition

Impaired Financing Receivable [Abstract]

+ References

No definition available.

+ Details

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X

- Definition

Reflects the aggregate gross carrying amount of all categories of loans held in portfolio, after deducting deferred income, but before deducting the allowance for losses on loans.

+ References

No definition available.

+ Details

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- Definition

Number Of Non Accrual Loans

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

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X

- Definition

Amount of allowance for credit losses related to recorded investment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-15

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X

- Definition

Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)(4)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-15

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