v3.26.1

Share-Based Compensation Expense - Schedule of Share-Based Compensation Expenses (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Schedule of Share-Based Compensation Expenses [Line Items] |  |  |  |
Share-based compensation expenses | $ 7,130,217 | $ 5,379,294 | $ 12,364,333 | $ 14,064,097
Restricted stock units [Member] |  |  |  |
Schedule of Share-Based Compensation Expenses [Line Items] |  |  |  |
Share-based compensation expenses | 2,464,905 | 2,848,751 | 4,239,504 | 6,964,276
Stock options [Member] |  |  |  |
Schedule of Share-Based Compensation Expenses [Line Items] |  |  |  |
Share-based compensation expenses | 3,602,747 | 2,511,511 | 6,073,080 | 7,057,360
Employee stock purchase plan [Member] |  |  |  |
Schedule of Share-Based Compensation Expenses [Line Items] |  |  |  |
Share-based compensation expenses | 10,810 | 19,032 | 27,021 | 42,461
Pre-funded warrants [Member] |  |  |  |
Schedule of Share-Based Compensation Expenses [Line Items] |  |  |  |
Share-based compensation expenses | 729,730 |  | 1,702,703 |
Stock options in NCI [Member] |  |  |  |
Schedule of Share-Based Compensation Expenses [Line Items] |  |  |  |
Share-based compensation expenses | $ 322,025 |  | $ 322,025 |

X
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479983/718-10-S45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_StockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=rum_PreFundedWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=rum_StockOptionsInNCIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |