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Changes In Accumulated Depreciation (Additional Information) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Real Estate and Accumulated Depreciation [Line Items]
Rental Home Depreciation Expense	$ 10.9els_RentalHomeDepreciationExpense	$ 6.5els_RentalHomeDepreciationExpense	$ 5.6els_RentalHomeDepreciationExpense

X

- Definition

Current period depreciation expense on rental homes.

+ References

No definition available.

+ Details

Name:	els_RentalHomeDepreciationExpense
Namespace Prefix:	els_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_RealEstateAndAccumulatedDepreciationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration