XML 49 R38.htm IDEA: XBRL DOCUMENT
v3.21.2

Fair Value Measurements - Financial assets and liabilities (Details) - Recurring - USD ($) | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Assets: |  |
Investments held in Trust Account | $ 414,100,847 | $ 414,020,525
Liabilities: |  |
Derivative liabilities | 29,283,330 | 40,532,280
Public Warrants |  |
Liabilities: |  |
Derivative liabilities | 17,250,000 | 21,390,000
Private Placement Warrants |  |
Liabilities: |  |
Derivative liabilities | 9,233,330 | 11,449,330
Forward Purchase Agreement |  |
Liabilities: |  |
Derivative liabilities | 2,800,000 | 7,692,950
Level 1 |  |
Assets: |  |
Investments held in Trust Account | 414,100,847 | 414,020,525
Liabilities: |  |
Derivative liabilities | 17,250,000 |
Level 1 | Public Warrants |  |
Liabilities: |  |
Derivative liabilities | 17,250,000 |
Level 2 |  |
Liabilities: |  |
Derivative liabilities | 9,233,330 |
Level 2 | Private Placement Warrants |  |
Liabilities: |  |
Derivative liabilities | 9,233,330 |
Level 3 |  |
Liabilities: |  |
Derivative liabilities | 2,800,000 | 40,532,280
Level 3 | Public Warrants |  |
Liabilities: |  |
Derivative liabilities |  | 21,390,000
Level 3 | Private Placement Warrants |  |
Liabilities: |  |
Derivative liabilities |  | 11,449,330
Level 3 | Forward Purchase Agreement |  |
Liabilities: |  |
Derivative liabilities | $ 2,800,000 | $ 7,692,950

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

X
- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 + Details
Name: | us-gaap_DerivativeLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_InvestmentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=motv_PublicWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=motv_PrivatePlacementWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=motv_ForwardPurchaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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