XML 62 R46.htm IDEA: XBRL DOCUMENT v3.4.0.3

Commitments and Contingencies - Unfunded Capital Expenditures (Details) $ in Millions	Mar. 31, 2016 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Unfunded capital expenditures	$ 59.5

X

- Definition

Unfunded Capital Expenditures

+ References

No definition available.

+ Details

Name:	esrt_UnfundedCapitalExpenditures
Namespace Prefix:	esrt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration