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Cover Page
Mar. 23, 2020
Document Information [Line Items]  
Amendment Flag false
Entity Central Index Key 0001541401
Document Type 8-K
Document Period End Date Mar. 23, 2020
Entity Registrant Name EMPIRE STATE REALTY TRUST, INC.
Entity Incorporation State Country Code MD
Entity File Number 001-36105
Entity Tax Identification Number 37-1645259
Entity Address, Address Line One 111 West 33rd Street
Entity Address, Address Line Two 12th Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10120
City Area Code 212
Local Phone Number 687-8700
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
EMPIRE STATE REALTY OP, L.P. [Member]  
Document Information [Line Items]  
Entity Registrant Name EMPIRE STATE REALTY OP, L.P.
Entity Incorporation State Country Code DE
Entity File Number 001-36106
Entity Tax Identification Number 45-4685158
Entity Emerging Growth Company false
Common Class A [Member]  
Document Information [Line Items]  
Security 12b Title Class A Common Stock, par value $0.01 per share
Trading Symbol ESRT
Security Exchange Name NYSE
Series ES Operating Partnership Units [Member] | EMPIRE STATE REALTY OP, L.P. [Member]  
Document Information [Line Items]  
Security 12b Title Series ES Operating Partnership Units
Trading Symbol ESBA
Security Exchange Name NYSEArca
Series 60 Operating Partnership Units [Member] | EMPIRE STATE REALTY OP, L.P. [Member]  
Document Information [Line Items]  
Security 12b Title Series 60 Operating Partnership Units
Trading Symbol OGCP
Security Exchange Name NYSEArca
Series 250 Operating Partnership Units [Member] | EMPIRE STATE REALTY OP, L.P. [Member]  
Document Information [Line Items]  
Security 12b Title Series 250 Operating Partnership Units
Trading Symbol FISK
Security Exchange Name NYSEArca