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    <Log type="Info">'Monetary' elements on report '2416404 - Disclosure - Deferred Costs, Acquired Lease Intangibles and Goodwill - Narrative (Details)' had a mix of different decimal attribute values.</Log>
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    <Log type="Info">'Monetary' elements on report '2419405 - Disclosure - Debt - Unsecured Senior Notes (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '2435402 - Disclosure - Equity - Shares and Units and Dividends (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Shares' elements on report '2435404 - Disclosure - Equity  - Earnings Per Share (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">Process Flow-Through: 1001000 - Statement - Condensed Consolidated Balance Sheets</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Mar. 31, 2014'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2013'</Log>
    <Log type="Info">Process Flow-Through: 1001001 - Statement - Condensed Consolidated Balance Sheets Condensed Consolidated Balance Sheets (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 1002000 - Statement - Condensed Consolidated Statements of Income</Log>
    <Log type="Info">Process Flow-Through: 1004000 - Statement - Condensed Consolidated Statements of Cash Flows</Log>
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    <File>esrt-20150331.xsd</File>
    <File>esrt-20150331_cal.xml</File>
    <File>esrt-20150331_def.xml</File>
    <File>esrt-20150331_lab.xml</File>
    <File>esrt-20150331_pre.xml</File>
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  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
