Document and Entity Information - shares	6 Months Ended
Jun. 30, 2016	Jul. 31, 2016
Entity Registrant Name	Empire State Realty OP, L.P.
Entity Central Index Key	0001553079
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Amendment Flag	false
Document Period End Date	Jun. 30, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q2
Entity Filer Category	Large Accelerated Filer
Series ES operating partnership units
Entity Common Stock, Shares Outstanding		36,509,663
Series 60 operating partnership units
Entity Common Stock, Shares Outstanding		9,972,478
Series 250 operating partnership units
Entity Common Stock, Shares Outstanding		4,928,417

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End date of current fiscal year in the format --MM-DD.

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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word "Other".

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