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CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)	12 Months Ended
	Dec. 31, 2020 USD ($)
Statement of Cash Flows [Abstract]
Underwriting commissions and discounts	$ 9,632,500

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- References

No definition available.

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Namespace Prefix:	us-gaap_
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- Definition

Commissions paid to underwriter.

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No definition available.

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Namespace Prefix:	yala_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration