Related Party Transaction, Percentage of Profits Due to Investors

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Related Party Transaction, Stabilization Of Property, Anniversary Period

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Related Party Transaction, Stabilization Of Property, Three Years Or More After Stabilization, Percent

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Related Party Transaction, Stabilization Of Property, Within Three Years After Stabilization, Percent

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For an unclassified balance sheet, amounts due from an entity in which the reporting entity shares joint control with another party or group.

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Amount receivable from related parties classified as other.

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For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

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Receivables to be collected from (obligations owed to) related parties, net as of the balance sheet date where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth.

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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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.

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Reflects the sum of all other revenue and income realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Related Party Transactions (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Related Party Transaction [Line Items]
Operating expenses, paid to related parties		$ 12,643	$ 18,106	$ 17,823
Amounts due from/to related parties
Due from joint ventures		27,006	9,352
Other		7,651	11,769
Related party receivables		34,657	21,121
Alliance Building Services \| Affiliated Entity
Related Party Transaction [Line Items]
Profit participation from related party		1,400	3,900	3,900
Operating expenses, paid to related parties		13,300	18,800	18,800
Stephen L Green Interest \| Affiliated Entity
Related Party Transaction [Line Items]
Property management fees from related party		$ 600	$ 600	$ 600
Marc Holliday, Chairman And CEO \| One Vanderbilt \| Affiliated Entity
Related Party Transaction [Line Items]
Due from (to) related party					$ 1,400
Marc Holliday, Chairman And CEO \| One Vanderbilt \| Minimum \| Affiliated Entity
Related Party Transaction [Line Items]
Percentage of profits due to investors	150.00%
Marc Holliday, Chairman And CEO \| One Vanderbilt \| Maximum \| Affiliated Entity
Related Party Transaction [Line Items]
Percentage of profits due to investors	180.00%
Andrew Mathias, President \| One Vanderbilt \| Affiliated Entity
Related Party Transaction [Line Items]
Due from (to) related party					$ 1,000
Andrew Mathias, President \| One Vanderbilt \| Minimum \| Affiliated Entity
Related Party Transaction [Line Items]
Percentage of profits due to investors	100.00%
Andrew Mathias, President \| One Vanderbilt \| Maximum \| Affiliated Entity
Related Party Transaction [Line Items]
Percentage of profits due to investors	120.00%
Holiday And Mathias \| One Vanderbilt \| Affiliated Entity
Related Party Transaction [Line Items]
Stabilization of property, within three years after stabilization, percent		5000.00%
Stabilization of property, three years or more after stabilization, percent		10000.00%
Stabilization of property, anniversary period		7 years