Represents the high end of the range of estimated fair value for investments in mortgage loans on real estate.

No definition available.

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- Definition

Represents the low end of the range of estimated fair value for investments in mortgage loans on real estate.

+ References

No definition available.

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- Definition

The impact of fair value adjustments on purchase price and it's impact on net income or loss for the period, gross.

+ References

No definition available.

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- Definition

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)
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-Section 12
-Paragraph Column F
-Subsection 29

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-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column F))
-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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-Paragraph 1
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- Definition

This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to items of consideration transferred in connection with a business combination for which the initial accounting was incomplete.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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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.

+ Details

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- Definition

Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.8)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

No definition available.

+ Details

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The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

+ References

No definition available.

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- Definition

The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(c))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

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Fair Value Measurements (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended								12 Months Ended
Fair Value Measurements (Details) - USD ($) $ in Thousands	May 31, 2018	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Fair Value of Financial Instruments
Marketable securities		$ 29,887				$ 28,638				$ 29,887	$ 28,638
Interest rate cap and swap agreements (included in other assets)		4,419				18,676				4,419	18,676
Asset impairment loss											221,900
Purchase price and other fair value adjustment		0	$ 3,799	$ 67,631	$ (2,041)	0	$ (3,057)	$ 11,149	$ 49,293	69,389	57,385	$ 0
Debt and preferred equity investments		1,580,306				2,099,393				1,580,306	2,099,393
Carrying Value
Fair Value of Financial Instruments
Fixed rate debt		3,536,286				3,543,476				3,536,286	3,543,476
Variable rate debt		2,018,434				2,048,442				2,018,434	2,048,442
Total		5,554,720				5,591,918				5,554,720	5,591,918
Fair Value
Fair Value of Financial Instruments
Marketable securities		29,887				28,638				29,887	28,638
Total		5,661,484				5,288,093				5,661,484	5,288,093
Estimated fair value of debt and preferred equity investments, low end of range		1,600,000				2,100,000				1,600,000	2,100,000
Estimated fair value of debt and preferred equity investments, high end of range		1,700,000				2,300,000				1,700,000	2,300,000
Level 1
Fair Value of Financial Instruments
Interest rate cap and swap agreements (included in other assets)		0				0				0	0
Level 2
Fair Value of Financial Instruments
Interest rate cap and swap agreements (included in other assets)		4,419				18,676				4,419	18,676
Level 3
Fair Value of Financial Instruments
Marketable securities		0				0				0	0
Interest rate cap and swap agreements (included in other assets)		0				0				0	0
Level 3 \| Carrying Value
Fair Value of Financial Instruments
Debt and preferred equity investments						2,099,393					2,099,393
Level 3 \| Fair Value
Fair Value of Financial Instruments
Fixed rate debt		3,642,770				3,230,127				3,642,770	3,230,127
Variable rate debt		2,018,714				2,057,966				2,018,714	2,057,966
Equity marketable securities \| Level 1
Fair Value of Financial Instruments
Marketable securities		0				0				0	0
Mortgage-backed securities
Fair Value of Financial Instruments
Marketable securities		29,887				28,638				29,887	28,638
Mortgage-backed securities \| Level 2
Fair Value of Financial Instruments
Marketable securities		29,887				28,638				29,887	28,638
Total Fixed Rate \| Mortgage and Jr Mortgage Loan with an Initial Maturity Date of April 2017
Fair Value of Financial Instruments
Notes receivable	$ 250,500
Interest receivable	7,700
2 Herald Square
Fair Value of Financial Instruments
Purchase price fair value adjustment	$ 8,100
Joint venture
Fair Value of Financial Instruments
Debt and preferred equity investments		0				44,357				0	44,357
Joint venture \| 919 Third Avenue \| 919 Third Avenue
Fair Value of Financial Instruments
Purchase price and other fair value adjustment										49,300
Accrued Interest Payable and Other
Fair Value of Financial Instruments
Interest rate cap and swap agreements (included in accrued interest payable and other liabilities)		29,110				7,663				29,110	7,663
Accrued Interest Payable and Other \| Level 1
Fair Value of Financial Instruments
Interest rate cap and swap agreements (included in accrued interest payable and other liabilities)		0				0				0	0
Accrued Interest Payable and Other \| Level 2
Fair Value of Financial Instruments
Interest rate cap and swap agreements (included in accrued interest payable and other liabilities)		29,110				7,663				29,110	7,663
Accrued Interest Payable and Other \| Level 3
Fair Value of Financial Instruments
Interest rate cap and swap agreements (included in accrued interest payable and other liabilities)		$ 0				$ 0				$ 0	$ 0