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Current maturities and short term bank loans (Details)	12 Months Ended
	Dec. 31, 2023
Current Maturities and Short Term Bank Loans [Abstract]
Minority percentage	49.00%

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- References

No definition available.

+ Details

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Namespace Prefix:	ello_
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Balance Type:	na
Period Type:	duration

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- Definition

Minority percentage.

+ References

No definition available.

+ Details

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Namespace Prefix:	ello_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration