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v3.23.1

Restricted Cash, Deposits and Marketable Securities (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2022 USD ($)
Disclosure Of Restricted Cash Deposits And Marketable Securities [Abstract] |
Bonds coupon rate | 3.255%
Bill Coupon Rate | $ 1,375

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- Definition Represent the amount of Bill Coupon Rate + References No definition available. + Details
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- Definition Bonds coupon rate. + References No definition available. + Details
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Namespace Prefix: | ello_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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