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Long-Term Cash Incentive Plan - Additional Information (Detail) (USD $) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2013 | Jun. 29, 2014
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] |  |  |
Deferred Compensation Cash-based Arrangements, Liability, Current and Noncurrent |  |  | $ 2,900,000
Accrued Long Term Incentive Plan Compensation | 950,000 | 956,000 |
Long Term Incentive Plan Twenty Thirteen [Member] |  |  |
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] |  |  |
Estimated Payments For Employee Long Term Incentive Plan | $ 5,800,000 |  |

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- Definition Accrued long term incentive plan compensation. + References No definition available. + Details
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Namespace Prefix: | els_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Estimated payout of the LTIP plan. + References No definition available. + Details
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Namespace Prefix: | els_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements. Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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Period Type: | instant