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REVENUE - Summary of Revenue by Monetization Type (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items] |  |  |  |
Total revenues | $ 15,924 | $ 10,392 | $ 35,509 | $ 21,909
Performance marketing |  |  |  |
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items] |  |  |  |
Total revenues | 12,292 | 9,223 | 28,693 | 19,830
Subscription |  |  |  |
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items] |  |  |  |
Total revenues | 744 | 0 | 1,553 | 0
Advertising and other |  |  |  |
Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Line Items] |  |  |  |
Total revenues | $ 2,888 | $ 1,169 | $ 5,263 | $ 2,079

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- Definition The amount of revenue from contracts with customers. A customer is a party that has contracted with an entity to obtain goods or services that are an output of the entity’s ordinary activities in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2021-01-01 -Paragraph 113 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_113_a&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2021-01-01 -Paragraph 114 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_114&doctype=Standard -URIDate 2021-03-24 + Details
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