XML 40 R29.htm IDEA: XBRL DOCUMENT
v3.21.1

COMMITMENTS AND CONTINGENCIES (Details) |  | 4 Months Ended |
--- | --- | --- | ---
Nov. 27, 2020 shares | Dec. 31, 2020 USD ($) $ / shares shares | Nov. 23, 2020 item
Commitments And Contingencies |  |  |
Maximum number of demands for registration of securities | item |  |  | 3
Deferred fee per unit | $ / shares |  | $ 0.35 |
Deferred underwriting fee payable | $ |  | $ 8,050,000 |
Costs reimbursed by underwriters | $ |  | $ 750,000 |
Initial Public Offering |  |  |
Commitments And Contingencies |  |  |
Number of units issued | 23,000,000 |  |
Anchor investors |  |  |
Commitments And Contingencies |  |  |
Share price per share | $ / shares |  | $ 494.56 |
Indirect beneficial interest, shares |  | 142,187 |
Anchor investors | Initial Public Offering |  |  |
Commitments And Contingencies |  |  |
Number of units issued |  | 1,980,000 |

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: | svsvu_CommitmentsAndContingenciesLineItems
Namespace Prefix: | svsvu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of costs reimbursed by underwriters. + References No definition available. + Details
Name: | svsvu_CostsReimbursedByUnderwriters
Namespace Prefix: | svsvu_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the deferred fee per unit. + References No definition available. + Details
Name: | svsvu_DeferredFeePerUnit
Namespace Prefix: | svsvu_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The carrying value as of balance sheet date of underwriting fees payable or deferred, classified as noncurrent. + References No definition available. + Details
Name: | svsvu_DeferredOfferingCostsNoncurrent
Namespace Prefix: | svsvu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Obligation reflecting another's party to economic interests in another entity or trust under a contractual right. + References No definition available. + Details
Name: | svsvu_IndirectBeneficialInterestShares
Namespace Prefix: | svsvu_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Number of new units issued during the period. + References No definition available. + Details
Name: | svsvu_UnitsIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | svsvu_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Price of a single share of a number of saleable stocks of a company. + References No definition available. + Details
Name: | us-gaap_SharePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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

X
- Details
Name: | srt_CounterpartyNameAxis=svsvu_QualifiedInstitutionalBuyersOrInstitutionalAccreditedInvestorsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |