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

X
- References No definition available. + Details
Name: | us-gaap_StatementOfCashFlowsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Commissions paid to underwriter. + References No definition available. + Details
Name: | yala_CommissionsPaidToUnderwriter
Namespace Prefix: | yala_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration