Loss Contingency, Damages Awarded, Attorney Expenses Awarded, Value

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- Definition

Loss Contingency, Damages Awarded, Attorney Expenses Sought, Value

+ References

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- Definition

Loss Contingency, Damages Awarded, Attorney Fees Awarded, Value

+ References

No definition available.

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- Definition

Loss Contingency, Damages Awarded, Attorney Fees Sought, Value

+ References

No definition available.

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- Definition

Loss Contingency, Damages Awarded, Freely-tradable Common Stock or Operating Units, Maximum

+ References

No definition available.

+ Details

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- Definition

Loss Contingency, Damages Awarded, Percent in Cash, Minimum

+ References

No definition available.

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- Definition

Loss Contingency, Maximum Difference Between Exchange Value and Prospectus Statement

+ References

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- Definition

Loss Contingency, Number of LLC's

+ References

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- Definition

Loss Contingency, Number of Plaintiffs Opting Out of Settlement

+ References

No definition available.

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- Definition

Loss Contingency, Proceeds from Issuance of Common Stock, Threshold Amount, Consolidation Considerations

+ References

No definition available.

+ Details

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- Definition

Number of Additional Investors who Apposed the Settlement

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- Definition

Number of Investors who had Filed a Notice of Appeal

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- Definition

Amount of damages awarded to the plaintiff in the legal matter.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 9

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

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- Definition

Number of plaintiffs that have filed claims pertaining to a loss contingency.

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- Definition

Number of pending claims pertaining to a loss contingency.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

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Commitments and Contingencies Litigation (Details) (USD $)	0 Months Ended
	Oct. 14, 2014 participant	Sep. 04, 2013 participant	May 17, 2013 participant	Sep. 28, 2012 llc	Jan. 28, 2013 participant	Mar. 14, 2014 participant	Jun. 20, 2013 participant	Dec. 24, 2013 claim	Mar. 31, 2012 claim
Loss Contingencies [Line Items]
Number of additional investors who apposed the settlement							1
Number of investors who had filed a notice of appeal						1
New York State Supreme Court, New York County [Member]
Loss Contingencies [Line Items]
Damages awarded				$ 55,000,000.0
Percent of damages awarded required to be in cash				80.00%
Number of LLC's				3
Maximum difference between exchange value and prospectus statement				10.00%
Proceeds from issuance of common stock threshold amount of consolidation considerations				600,000,000.0
Number of plaintiffs opting out of settlement	12	2	12
Attorney fees sought			15,000,000
Attorney expenses sought			295,895
Attorney fees awarded			11,590,000
Attorney expenses awarded			$ 265,282
New York State Supreme Court, New York County [Member] \| ESRT [Member]
Loss Contingencies [Line Items]
Maximum percent of freely-tradable common stock or partnership units				20.00%
Pending Litigation [Member]
Loss Contingencies [Line Items]
Number of plaintiffs					6
Pending Litigation [Member] \| New York State Supreme Court, New York County [Member]
Loss Contingencies [Line Items]
Number of claims								4
Number of plaintiffs	4,500		4,500		6
Predecessor [Member] \| Pending Litigation [Member] \| New York State Supreme Court, New York County [Member]
Loss Contingencies [Line Items]
Number of claims									5