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Commitments and Contingencies - Additional Information (Detail) | Oct. 20, 2015 demolition
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Commitments and Contingencies Disclosure [Abstract] |
Number of historical demolition and renovation projects | 200

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- Definition Number of Historical Demolition + References No definition available. + Details
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Namespace Prefix: | els_
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Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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