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v2.4.1.9

Subsequent Events (Details) (USD $) | 0 Months Ended | 1 Months Ended
--- | --- | ---
Dec. 30, 2013 | Feb. 28, 2015
Subsequent Event [Line Items] |  |
Dividend declared | $ 0.085 us-gaap_CommonStockDividendsPerShareDeclared |
Subsequent Event [Member] | ESRT [Member] |  |
Subsequent Event [Line Items] |  |
Dividend declared |  | $ 0.085 us-gaap_CommonStockDividendsPerShareDeclared / dei_LegalEntityAxis = us-gaap_ParentCompanyMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |