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v3.23.1

SCHEDULE OF FAIR VALUE MEASUREMENTS (Details) - Fair Value, Inputs, Level 3 [Member] | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2022 | Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items] |  |
Valuation technique | Discounted cash flow | Discounted cash flow
Significant unobservable input | Projected revenue and probability of achievement | Projected revenue and probability of achievement

X
- Definition Significant unobservable input. + References No definition available. + Details
Name: | RELI_SignificantUnobservableInput
Namespace Prefix: | RELI_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Valuation technique. + References No definition available. + Details
Name: | RELI_ValuationTechnique
Namespace Prefix: | RELI_
Data Type: | xbrli:stringItemType
Balance Type: | na
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 No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |