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v3.21.2

Commitments and Contingencies (Details) | 9 Months Ended
--- | ---
Sep. 30, 2021 USD ($) item $ / shares shares
Underwriting cash discount per unit | $ / shares | $ 0.35
Aggregate underwriter cash discount | $ | $ 14,490,000
Maximum number of demands for registration of securities | item | 3
Over-allotment option |
Period to exercise the over-allotment option | 45 days
Additional units granted to underwriters to purchase | shares | 14,490,000

X
- Definition The carrying value of the cash underwriting discount in the aggregate if the underwriter's option to purchase additional units is exercised in full. + References No definition available. + Details
Name: | motv_AggregateUnderwriterCashDiscount
Namespace Prefix: | motv_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the maximum number of demands for registration of securities. + References No definition available. + Details
Name: | motv_MaximumNumberOfDemandsForRegistrationOfSecurities
Namespace Prefix: | motv_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of units granted to underwriters to purchase in initial public offering. + References No definition available. + Details
Name: | motv_NumberOfUnitsForUnderwritersToPurchaseInInitialPublicOffering
Namespace Prefix: | motv_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period to exercise the over-allotment option from the date of the final prospectus, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | motv_PeriodToExerciseOverAllotmentOption
Namespace Prefix: | motv_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the cash underwriting discount per unit. + References No definition available. + Details
Name: | motv_UnderwritingCashDiscountPerUnit
Namespace Prefix: | motv_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_OverAllotmentOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |