Conversion Rate For Long-Term Incentive Plan Units To Operating Partnership Units

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- Definition

Percentage of Dividends on Common Stock Received After Performance Criteria Met for LTIP Units

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No definition available.

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- Definition

Percentage of Dividends on Common Stock Received In Periods After Performance Criteria Met for LTIP Units

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No definition available.

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- Definition

Percentage of Dividends on Common Stock Received Until Performance Criteria Met for LTIP Units

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No definition available.

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- Definition

Preferred Units, Cumulative Cash Distributions, Per Share

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No definition available.

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- Definition

Private Perpetual Preferred Units Issued During Period, Units, New Issues

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No definition available.

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- Definition

Private Perpetual Preferred Units, Issued, Shares

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- Definition

Private Perpetual Preferred Units, Liquidation Preference Per Share

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
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- Definition

The number of general partner units outstanding.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770

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- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
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- Definition

Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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- Definition

The number of limited partner units outstanding.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Amount of stock repurchase plan authorized.

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No definition available.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 505
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- Definition

The number of units or equivalent units outstanding for all classes.

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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
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Capital - Additional Information and Private Perpetual Preferred Units (Details)	1 Months Ended			3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($) $ / shares shares	Aug. 31, 2021 shares	Jul. 31, 2021 shares	Sep. 30, 2021 USD ($) $ / shares shares	Sep. 30, 2020 $ / shares	Sep. 30, 2021 USD ($) $ / shares shares	Sep. 30, 2020 $ / shares	Dec. 31, 2020 $ / shares shares	May 16, 2019 shares
Shares and Units [Abstract]
OP units outstanding (in shares)	285,104,512			285,104,512		285,104,512
Conversion rate tor LTIP units to OP units	1			1		1
Dividends on common stock received until performance criteria met for LTIP units (as a percent)	10.00%			10.00%		10.00%
Dividends on common stock received after performance criteria met for LTIP units (as a percent)	90.00%			90.00%		90.00%
Dividends on common stock received in periods after performance criteria met for LTIP units (as a percent)	100.00%			100.00%		100.00%
Stock repurchase authorized amount \| $	$ 500,000,000			$ 500,000,000		$ 500,000,000
Purchases of equity securities (shares)	221,771	403,831	0
Dividends declared (in USD per share) \| $ / shares				$ 0.035	$ 0	$ 0.070	$ 0.210
2019 Plan
Shares and Units [Abstract]
Number of shares authorized under the plan (in shares)	11,000,000			11,000,000		11,000,000			11,000,000
Private perpetual preferred units, series 2019
Shares and Units [Abstract]
Private perpetual preferred units, issued (in shares)	4,664,038			4,664,038		4,664,038		4,664,000
Private perpetual preferred units, liquidation preference (in USD per share) \| $ / shares	$ 13.52			$ 13.52		$ 13.52		$ 13.52
Preferred units cumulative cash distributions (in USD per share) \| $ / shares	$ 0.70			$ 0.70		$ 0.70
Private perpetual preferred units, series 2014
Shares and Units [Abstract]
Private perpetual preferred units, issued (in shares)	1,560,000			1,560,000		1,560,000		1,560,000
Private perpetual preferred units issued during period (in shares)						1,560,360
Private perpetual preferred units, liquidation preference (in USD per share) \| $ / shares	$ 16.62			$ 16.62		$ 16.62		$ 16.62
Dividends declared (in USD per share) \| $ / shares						$ 0.60
Empire state realty trust
Shares and Units [Abstract]
OP units owned by the Company (in shares)	173,292,301			173,292,301		173,292,301
Empire state realty trust \| Empire state realty OP
Shares and Units [Abstract]
OP units owned by the Company (as a percent)						60.80%
Other partners, certain directors, officers and other members of executive management
Shares and Units [Abstract]
OP units not owned by the Company (in shares)	111,812,211			111,812,211		111,812,211
Other partners, certain directors, officers and other members of executive management \| Empire state realty OP
Shares and Units [Abstract]
OP units not owned by the Company (as a percent)						39.20%