XML 47 R3.htm IDEA: XBRL DOCUMENT v2.4.1.9

Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Tenant and other receivables allowance	$ 2,803us-gaap_AllowanceForDoubtfulAccountsReceivable	$ 1,427us-gaap_AllowanceForDoubtfulAccountsReceivable
Deferred rent receivables allowance	$ 437esrt_AllowanceforDeferredRentReceivables	$ 420esrt_AllowanceforDeferredRentReceivables
ESRT General Partner Operating Partnership Units Outstanding	111,747,341us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding
Limited partner operating partnership units, outstanding	155,808,466us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding
Private perpetual preferred unit liquidation preference (USD per share)	$ 16.62esrt_PrivatePerpetualPreferredUnitsLiquidationPreferencePerShare	$ 16,620esrt_PrivatePerpetualPreferredUnitsLiquidationPreferencePerShare
Private perpetual preferred units - issued	1,560,360esrt_PrivatePerpetualPreferredUnitsIssuedShares	1,560,360esrt_PrivatePerpetualPreferredUnitsIssuedShares
Private perpetual preferred units - outstanding	1,560,360esrt_PrivatePerpetualPreferredUnitsOutstandingShares	1,560,360esrt_PrivatePerpetualPreferredUnitsOutstandingShares
Series PR operating partnership units
Limited partner operating partnership units, outstanding	98,553,194us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_StatementClassOfStockAxis = esrt_SeriesPRCommonUnitsMember	100,210,874us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_StatementClassOfStockAxis = esrt_SeriesPRCommonUnitsMember
Series ES operating partnership units
Limited partner operating partnership units, outstanding	40,657,087us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_StatementClassOfStockAxis = esrt_SeriesESOperatingPartnershipUnitsMember	42,365,408us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_StatementClassOfStockAxis = esrt_SeriesESOperatingPartnershipUnitsMember
Series 60 operating partnership units
Limited partner operating partnership units, outstanding	11,053,176us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_StatementClassOfStockAxis = esrt_Series60OperatingPartnershipUnitsMember	11,456,448us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_StatementClassOfStockAxis = esrt_Series60OperatingPartnershipUnitsMember
Series 250 operating partnership units
Limited partner operating partnership units, outstanding	5,545,009us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_StatementClassOfStockAxis = esrt_Series250OperatingPartnershipUnitsMember	5,789,717us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_StatementClassOfStockAxis = esrt_Series250OperatingPartnershipUnitsMember
ESRT [Member] | Series PR operating partnership units
ESRT General Partner Operating Partnership Units Outstanding	2,675,558us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_StatementClassOfStockAxis = esrt_SeriesPRCommonUnitsMember	2,671,043us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_StatementClassOfStockAxis = esrt_SeriesPRCommonUnitsMember
Limited partner operating partnership units, outstanding	109,071,783us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_StatementClassOfStockAxis = esrt_SeriesPRCommonUnitsMember	104,520,844us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_StatementClassOfStockAxis = esrt_SeriesPRCommonUnitsMember

X

- Definition

Allowance for Deferred Rent Receivables

+ References

No definition available.

+ Details

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

X

- Definition

Private Perpetual Preferred Units, Issued, Shares

+ References

No definition available.

+ Details

Name:	esrt_PrivatePerpetualPreferredUnitsIssuedShares
Namespace Prefix:	esrt_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Private Perpetual Preferred Units, Liquidation Preference Per Share

+ References

No definition available.

+ Details

Name:	esrt_PrivatePerpetualPreferredUnitsLiquidationPreferencePerShare
Namespace Prefix:	esrt_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Private Perpetual Preferred Units, Outstanding, Shares

+ References

No definition available.

+ Details

Name:	esrt_PrivatePerpetualPreferredUnitsOutstandingShares
Namespace Prefix:	esrt_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5074-111524



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.4)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_AllowanceForDoubtfulAccountsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The number of general partner units outstanding.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 5

-Subparagraph (SAB TOPIC 4.F)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770



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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 4

-Section F

+ Details

Name:	us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of limited partner units outstanding.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 272

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 5

-Subparagraph (SAB TOPIC 4.F)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770



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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 4

-Section F

+ Details

Name:	us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	dei_LegalEntityAxis=us-gaap_ParentCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=esrt_Series250OperatingPartnershipUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=esrt_Series60OperatingPartnershipUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=esrt_SeriesESOperatingPartnershipUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=esrt_SeriesPRCommonUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: