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Intangible Assets (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 8 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2020 | Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |  |  |  |  |  |
Amortization expense related to intangible assets | $ 114,492 |  | $ 228,382 |  |  | $ 97,013

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- Definition The amount amortization expense related to intangible assets. + References No definition available. + Details
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Namespace Prefix: | rum_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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