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

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