Debt Instrument, Extension Option Exercised, Term

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- Definition

Debt Instrument, Number of Extension Options

+ References

No definition available.

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- Definition

Debt Instrument, Period of Extension Option

+ References

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- Definition

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

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- Definition

Secured Debt, Bearing Fixed Interest, Mortgage Amount

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- Definition

Secured Debt, Bearing Fixed Interest, Subordinate Loan Amount

+ References

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- Definition

The portion of the carrying amount of long-term secured loans 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

Secured Debt, Deferred Finance Costs, Net

+ References

No definition available.

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- Definition

Secured Debt, Gross

+ References

No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
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- Definition

The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

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-Name Accounting Standards Codification
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-Paragraph 4H
-Subparagraph (d)
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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ 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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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of advances from the Federal Home Loan Bank (FHLB).

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 45
-Paragraph 1
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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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- Definition

The interest rate applicable to 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.

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- Definition

Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Mortgages and Other Loans Payable (Details)	1 Months Ended			3 Months Ended
Mortgages and Other Loans Payable (Details)	Aug. 31, 2019 extension	Jun. 30, 2019	Jun. 30, 2018	Mar. 31, 2020 USD ($) extension	Jan. 31, 2020	Dec. 31, 2019 USD ($)	Apr. 30, 2018 USD ($)
Debt Instrument [Line Items]
Total fixed rate debt				$ 1,129,910,000		$ 1,383,449,000
Total floating rate debt				880,306,000		828,434,000
Total mortgages and other loans payable				2,010,216,000		2,211,883,000
Deferred financing costs, net of amortization				(23,143,000)		(28,630,000)
Total mortgages and other loans payable, net				1,987,073,000		2,183,253,000
Book value of collateral				3,000,000,000.0		3,300,000,000
Outstanding under line of credit facility				1,294,477,000		234,013,000
FHLB Facility June 2020
Debt Instrument [Line Items]
Total floating rate debt				$ 14,500,000		14,500,000
FHLB Facility June 2020 \| Weighted Average
Debt Instrument [Line Items]
Interest rate, floating rate debt (as a percent)				0.17%
2017 Master Repurchase Agreement
Debt Instrument [Line Items]
Total floating rate debt				$ 137,473,000		152,684,000
Maximum facility capacity				300,000,000.0			$ 400,000,000.0
Number of extension options \| extension	2
Extension option exercised, term	1 year	1 year	1 year
Outstanding under line of credit facility				$ 137,300,000
2017 Master Repurchase Agreement \| Weighted Average
Debt Instrument [Line Items]
Interest rate, floating rate debt (as a percent)				2.09%
FHLB Facility July 2020
Debt Instrument [Line Items]
Total floating rate debt				$ 10,000,000		0
FHLB Facility July 2020 \| Weighted Average
Debt Instrument [Line Items]
Interest rate, floating rate debt (as a percent)				0.17%
FHLB Facility August 2020
Debt Instrument [Line Items]
Total floating rate debt				$ 15,000,000		0
FHLB Facility August 2020 \| Weighted Average
Debt Instrument [Line Items]
Interest rate, floating rate debt (as a percent)				0.26%
FHLB Facility January 2021
Debt Instrument [Line Items]
Total floating rate debt				$ 35,000,000		0
FHLB Facility January 2021 \| Weighted Average
Debt Instrument [Line Items]
Interest rate, floating rate debt (as a percent)				0.18%
FHLB Facility January 2020
Debt Instrument [Line Items]
Total floating rate debt				$ 0		10,000,000
FHLB Facility, February 2020
Debt Instrument [Line Items]
Total floating rate debt				0		15,000,000
100 Church Street
Debt Instrument [Line Items]
Total fixed rate debt				$ 208,197,000		209,296,000
100 Church Street \| Weighted Average
Debt Instrument [Line Items]
Interest rate, fixed rate debt (as a percent)				4.68%
420 Lexington Avenue
Debt Instrument [Line Items]
Total fixed rate debt				$ 297,885,000		299,165,000
420 Lexington Avenue \| Weighted Average
Debt Instrument [Line Items]
Interest rate, fixed rate debt (as a percent)				3.99%
400 East 58th Street
Debt Instrument [Line Items]
Total fixed rate debt				$ 38,881,000		39,094,000
400 East 58th Street \| Weighted Average
Debt Instrument [Line Items]
Interest rate, fixed rate debt (as a percent)				3.00%
Term (in Years)				5 years
Landmark Square
Debt Instrument [Line Items]
Total fixed rate debt				$ 100,000,000		100,000,000
Landmark Square \| Weighted Average
Debt Instrument [Line Items]
Interest rate, fixed rate debt (as a percent)				4.90%
485 Lexington Avenue
Debt Instrument [Line Items]
Total fixed rate debt				$ 450,000,000		450,000,000
485 Lexington Avenue \| Weighted Average
Debt Instrument [Line Items]
Interest rate, fixed rate debt (as a percent)				4.25%
1080 Amsterdam Avenue
Debt Instrument [Line Items]
Total fixed rate debt				$ 34,947,000		35,123,000
Total fixed rate debt				34,000,000.0
Subordinate loan				$ 900,000
1080 Amsterdam Avenue \| Weighted Average
Debt Instrument [Line Items]
Interest rate, fixed rate debt (as a percent)				3.59%
Term (in Years)				5 years
1080 Amsterdam Avenue \| Mortgage loan \| Weighted Average
Debt Instrument [Line Items]
Interest rate, fixed rate debt (as a percent)				3.50%
1080 Amsterdam Avenue \| Subordinate loan \| Weighted Average
Debt Instrument [Line Items]
Interest rate, fixed rate debt (as a percent)				7.00%
762 Madison Avenue
Debt Instrument [Line Items]
Total fixed rate debt				$ 0		771,000
315 West 33rd Street
Debt Instrument [Line Items]
Total fixed rate debt				0		250,000,000
133 Greene Street
Debt Instrument [Line Items]
Total floating rate debt				$ 15,523,000		15,523,000
133 Greene Street \| Weighted Average
Debt Instrument [Line Items]
Interest rate, floating rate debt (as a percent)				2.00%
106 Spring Street
Debt Instrument [Line Items]
Total floating rate debt				$ 38,025,000		38,025,000
106 Spring Street \| Weighted Average
Debt Instrument [Line Items]
Interest rate, floating rate debt (as a percent)				2.50%
609 Fifth Avenue
Debt Instrument [Line Items]
Total floating rate debt				$ 55,416,000		53,773,000
609 Fifth Avenue \| Weighted Average
Debt Instrument [Line Items]
Interest rate, floating rate debt (as a percent)				2.40%
185 Broadway
Debt Instrument [Line Items]
Total floating rate debt				$ 130,791,000		120,110,000
185 Broadway \| Weighted Average
Debt Instrument [Line Items]
Interest rate, floating rate debt (as a percent)				2.85%
712 Madison Avenue
Debt Instrument [Line Items]
Total floating rate debt				$ 28,000,000		28,000,000
712 Madison Avenue \| Weighted Average
Debt Instrument [Line Items]
Interest rate, floating rate debt (as a percent)				1.85%
410 Tenth Avenue
Debt Instrument [Line Items]
Total floating rate debt				$ 350,578,000		330,819,000
410 Tenth Avenue \| Weighted Average
Debt Instrument [Line Items]
Interest rate, floating rate debt (as a percent)				2.23%
719 Seventh Avenue
Debt Instrument [Line Items]
Total floating rate debt				$ 50,000,000		$ 50,000,000
719 Seventh Avenue \| Weighted Average
Debt Instrument [Line Items]
Interest rate, floating rate debt (as a percent)				1.20%
Construction Loans \| 185 Broadway
Debt Instrument [Line Items]
Term (in Years)				3 years
Maximum facility capacity				$ 225,000,000.0
Number of extension options \| extension				2
Period of extension options				1 year
Construction Loans \| 410 Tenth Avenue
Debt Instrument [Line Items]
Term (in Years)				3 years
Maximum facility capacity				$ 465,000,000.0
Number of extension options \| extension				2
Period of extension options				1 year
LIBOR Plus 19 Basis Points \| Ticonderoga Insurance Company
Debt Instrument [Line Items]
FHLB advances				$ 74,500,000
LIBOR Plus 19 Basis Points \| Ticonderoga Insurance Company \| LIBOR
Debt Instrument [Line Items]
Interest rate added to base rate (as a percent)				0.19%
762 Madison Avenue
Debt Instrument [Line Items]
Interest acquired					10.00%