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v3.22.4

Related Parties (Q3) (Details) $ in Thousands | 3 Months Ended | 7 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2022 USD ($) Individual | Sep. 30, 2021 USD ($) Individual | Dec. 31, 2020 USD ($) | Sep. 30, 2022 USD ($) Individual | Sep. 30, 2021 USD ($) Individual | Dec. 31, 2021 USD ($) Individual
Related Party Transaction [Abstract] |  |  |  |  |  |
Advisor fees and out-of-pocket expenses | $ | $ 175 | $ 262 | $ 389 | $ 606 | $ 644 | $ 913
Number of individuals | Individual | 2 | 2 |  | 2 | 2 | 2

X
- Definition Represents the number of individuals who hold ownership interest to related parties. + References No definition available. + Details
Name: | tinv_NumberOfIndividualsWhoHoldOwnershipInterestToRelatedParties
Namespace Prefix: | tinv_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of expenses related to paid advisor fees and out-of-pocket expenses. + References No definition available. + Details
Name: | tinv_PaidAdvisorFeesAndOutOfPocketExpensesToRelatedParties
Namespace Prefix: | tinv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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