Summary Of Significant Accounting Policies (Derivative Instruments and Mortgage Notes Receivable) (Details) $ in Millions		12 Months Ended
May 11, 2021 USD ($)	Dec. 31, 2021 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of mortgage receivables		3
Mortgage receivable, net of valuation allowances		$ 9.5
Weighted average interest rate on mortgage note receivables		10.90%
Net proceeds from repayment of mortgage notes receivable	$ 33.8
Decrease in mortgage notes receivable, net valuation allowance	$ 30.3
Hoboken
Derivatives, Fair Value [Line Items]
Number of interest rate swap agreements		2
Assembly Row Hotel
Derivatives, Fair Value [Line Items]
Number of interest rate swap agreements		2
One of our equity method investees \| Assembly Row Hotel
Derivatives, Fair Value [Line Items]
Fixed interest rate of derivative instrument		5.206%
Hoboken \| Mortgages Payable
Derivatives, Fair Value [Line Items]
Number of interest rate swap agreements		2
Fixed interest rate of derivative instrument		3.67%

Decrease in mortgage notes receivable, net valuation allowance

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Net proceeds from repayment of mortgage notes receivable

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The weighted average interest rate on outstanding financing recievables

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Number of mortgage loans 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
-Footnote 3
-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 3))
-URI http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014

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Fixed interest rate related to the interest rate derivative.

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Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

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- Definition

Number of interest rate derivative instruments held by the entity at the reporting date.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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