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Common Stock and Other Equity Related Transactions - Additional Information (Detail) (USD $) | 3 Months Ended | 0 Months Ended
--- | --- | ---
Mar. 31, 2015 | Apr. 10, 2015
6.75% Series C Cumulative Redeemable Perpetual Preferred Stock |  |
Class of Stock [Line Items] |  |
Date to be paid | Mar. 31, 2015 |
Preferred stock dividends paid (usd per share) | $ 0.421875us-gaap_PreferredStockDividendsPerShareCashPaid / us-gaap_StatementClassOfStockAxis = els_CumulativeSeriesCSixPointSevenFivePercentRedeemablePerpetualPreferredStockMember |
Date of record | Mar. 20, 2015 |
Subsequent Event | Common Stock |  |
Class of Stock [Line Items] |  |
Date to be paid |  | Apr. 10, 2015
Date of record |  | Mar. 27, 2015
Common Stock dividends paid (usd per share) |  | $ 0.375us-gaap_CommonStockDividendsPerShareCashPaid / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

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- Definition Aggregate dividends paid 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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