XML 109 R94.htm IDEA: XBRL DOCUMENT
v3.25.1

Note 16 - Capital Management - Summary of Net Gains on Investment Portfolio (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jan. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of objectives, policies and processes for managing capital [line items] |  |  |  |
Total fair value gain on short-term investments | $ 34,200 |  |  |
Kunlun Tech Limited and Keeneyes Future Holding Inc. [member] |  |  |  |
Disclosure of objectives, policies and processes for managing capital [line items] |  |  |  |
Realized net gain (loss) |  | $ 0 | $ 37,564 | $ (18,375)
Change in unrealized net gain (loss) |  | 0 | (34,321) | 34,321
Total fair value gain on short-term investments |  | $ 0 | $ 3,243 | $ 15,946

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfObjectivesPoliciesAndProcessesForManagingCapitalLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The gains (losses) including exchange differences, recognised in profit or loss, on the fair value measurement of the associates equity instruments. + References No definition available. + Details
Name: | opra_GainsLossesRecognisedInProfitOrLossIncludingExchangeDifferencesFairValueMeasurementAssociatesEquity
Namespace Prefix: | opra_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The net fair value gain (loss) related to listed equity instruments. + References No definition available. + Details
Name: | opra_NetFairValueGainLossRelatedToListedEquityInstruments
Namespace Prefix: | opra_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Unrealized gain loss on current financial assets. + References No definition available. + Details
Name: | opra_UnrealizedGainLossOnCurrentFinancialAssets
Namespace Prefix: | opra_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=opra_KunlunTechLimitedAndKeeneyesFutureHoldingIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |