v3.26.1

Commitments and Contingencies (Details) € in Millions, $ in Millions |  | 1 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2026 SEK (kr) | Mar. 31, 2026 EUR (€) | Sep. 30, 2025 SEK (kr) | Sep. 30, 2025 EUR (€) | Jul. 27, 2026 USD ($) | Jul. 27, 2026 SEK (kr) | Jun. 30, 2026 USD ($) | Mar. 30, 2026 USD ($) | Mar. 30, 2026 SEK (kr) | Dec. 31, 2022 USD ($) | Dec. 31, 2022 SEK (kr) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 SEK (kr)
Commitments and Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Contractual commitments | $ |  |  |  |  |  |  | $ 253 |  |  |  |  |  |
Material indemnification claims | $ |  |  |  |  |  |  |  |  |  |  |  |  |
Potential penalties | kr 218,000,000 | € 22 | kr 300,000,000 | € 31 |  |  |  |  |  |  |  |  |
Claim amount |  |  |  |  |  |  |  | $ 35 | kr 335,579,057 |  |  |  |
VAT amount | 165,000,000 |  |  |  |  |  |  |  | 250,000,000 |  |  |  |
Surcharge amount | 25,000,000 |  |  |  |  |  |  |  | 50,000,000 |  |  |  |
Claim interest amount | kr 19,000,000 |  |  |  |  |  |  |  | kr 35,000,000 |  |  |  |
Proposed interest |  |  |  |  |  |  |  |  |  | $ 1 | kr 5,730,112 | $ 3 | kr 29,480,221
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proposed interest |  |  |  |  | $ 21 | kr 208,828,368 |  |  |  |  |  |  |

X
- Definition The amount claim. + References No definition available. + Details
Name: | rum_ClaimAmount
Namespace Prefix: | rum_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of claim interest. + References No definition available. + Details
Name: | rum_ClaimInterestAmount
Namespace Prefix: | rum_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of claim surcharge. + References No definition available. + Details
Name: | rum_ClaimSurchargeAmount
Namespace Prefix: | rum_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of claim VAT. + References No definition available. + Details
Name: | rum_ClaimVATAmount
Namespace Prefix: | rum_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition The amount of material indemnification claims. + References No definition available. + Details
Name: | rum_MaterialIndemnificationClaims
Namespace Prefix: | rum_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of proposed interest. + References No definition available. + Details
Name: | rum_ProposedInterestAmount
Namespace Prefix: | rum_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of VAT potential penalties. + References No definition available. + Details
Name: | rum_VATPotentialPenalties
Namespace Prefix: | rum_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 235 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.9-06) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477314/942-235-S99-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-4 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
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Balance Type: |
Period Type: |