XML 36 R77.htm IDEA: XBRL DOCUMENT v2.4.1.9

Related Party Transactions Related Party Revenue (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Sponsors [Member] | Family Office Services [Member]
Related Party Transaction [Line Items]
Revenue from related parties	$ 0.1us-gaap_RevenueFromRelatedParties / us-gaap_RelatedPartyTransactionAxis = esrt_FamilyOfficeServicesMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember	$ 1.1us-gaap_RevenueFromRelatedParties / us-gaap_RelatedPartyTransactionAxis = esrt_FamilyOfficeServicesMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember	$ 0.8us-gaap_RevenueFromRelatedParties / us-gaap_RelatedPartyTransactionAxis = esrt_FamilyOfficeServicesMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember
Third party management and other fees [Member] | Sponsors [Member] | Supervisory Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	2.0us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_ManagementFeesRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_SupervisoryFeeRevenueMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember	2.8us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_ManagementFeesRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_SupervisoryFeeRevenueMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember	1.9us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_ManagementFeesRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_SupervisoryFeeRevenueMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember
Third party management and other fees [Member] | Sponsors [Member] | Property Management Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties	0.4us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_ManagementFeesRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_PropertyManagementFeeRevenueMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember	1.6us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_ManagementFeesRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_PropertyManagementFeeRevenueMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember	1.0us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_ManagementFeesRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_PropertyManagementFeeRevenueMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember
Third party management and other fees [Member] | Equity Method Investee [Member] | Supervisory Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties		0.6us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_ManagementFeesRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_SupervisoryFeeRevenueMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_EquityMethodInvesteeMember	0.8us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_ManagementFeesRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_SupervisoryFeeRevenueMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_EquityMethodInvesteeMember
Third party management and other fees [Member] | Equity Method Investee [Member] | Property Management Fee Revenue [Member]
Related Party Transaction [Line Items]
Revenue from related parties		0.1us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_ManagementFeesRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_PropertyManagementFeeRevenueMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_EquityMethodInvesteeMember	1.2us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_ManagementFeesRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_PropertyManagementFeeRevenueMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_EquityMethodInvesteeMember
Other income and fees [Member] | Sponsors [Member] | Profit Share [Member]
Related Party Transaction [Line Items]
Revenue from related parties		3.3us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_OtherRealEstateRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_ProfitShareMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember	0.7us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_OtherRealEstateRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_ProfitShareMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember
Other income and fees [Member] | Sponsors [Member] | Other Fees and Disbursements from Non-Controlled Affiliates [Member]
Related Party Transaction [Line Items]
Revenue from related parties		0us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_OtherRealEstateRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_OtherFeesandDisbursementsfromNonControlledAffiliatesMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember	0.6us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_OtherRealEstateRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_OtherFeesandDisbursementsfromNonControlledAffiliatesMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_AffiliatedEntityMember
Other income and fees [Member] | Equity Method Investee [Member] | Profit Share [Member]
Related Party Transaction [Line Items]
Revenue from related parties		0.4us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_OtherRealEstateRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_ProfitShareMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_EquityMethodInvesteeMember	0.9us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_OtherRealEstateRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_ProfitShareMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_EquityMethodInvesteeMember
Other income and fees [Member] | Equity Method Investee [Member] | Other Fees and Disbursements from Non-Controlled Affiliates [Member]
Related Party Transaction [Line Items]
Revenue from related parties		1.1us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_OtherRealEstateRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_OtherFeesandDisbursementsfromNonControlledAffiliatesMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_EquityMethodInvesteeMember	1.3us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_OtherRealEstateRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_OtherFeesandDisbursementsfromNonControlledAffiliatesMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_EquityMethodInvesteeMember
Due from related parties			0.4us-gaap_DueFromOfficersOrStockholders / us-gaap_IncomeStatementLocationAxis = esrt_OtherRealEstateRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_OtherFeesandDisbursementsfromNonControlledAffiliatesMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_EquityMethodInvesteeMember
Other income and fees [Member] | Equity Method Investee [Member] | Other Fees Reimbursed on the Equity Method for Offering Costs Related to Offering [Member]
Related Party Transaction [Line Items]
Revenue from related parties		$ 1.1us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_OtherRealEstateRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_OtherFeesReimbursedontheEquityMethodforOfferingCostsRelatedtoOfferingMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_EquityMethodInvesteeMember	$ 1.3us-gaap_RevenueFromRelatedParties / us-gaap_IncomeStatementLocationAxis = esrt_OtherRealEstateRevenueMember / us-gaap_RelatedPartyTransactionAxis = esrt_OtherFeesReimbursedontheEquityMethodforOfferingCostsRelatedtoOfferingMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_EquityMethodInvesteeMember

X

- Definition

For an unclassified balance sheet, amounts due from owners or owners with a beneficial interest of more than 10 percent of the voting interests or officers of the company.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(k)(1))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph k

-Subparagraph 1

-Article 4



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 3

-Article 7



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39599-107864



Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.3)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_DueFromOfficersOrStockholders
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

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

X

- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(e))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688



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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Related Parties

-URI http://asc.fasb.org/extlink&oid=16382449



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 946

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.6-07.1(c))

-URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 07

-Paragraph b

-Subparagraph 1

-Article 6

+ Details

Name:	us-gaap_RevenueFromRelatedParties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=esrt_ManagementFeesRevenueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_IncomeStatementLocationAxis=esrt_OtherRealEstateRevenueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_AffiliatedEntityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: