XML 69 R61.htm IDEA: XBRL DOCUMENT
v3.22.1

Fair Value Of Financial Instruments - Summary of Warrant Liabilities Measured at Fair Value (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] |  |
Beginning balance | $ 3,899 | $ 1,284
Cost of warrants vesting during the period | 352 | 198
Change in fair value included in earnings | 5,238 | 2,417
Exercise of warrants to purchase Legacy Rocket Lab Series C and D preferred stock | (6,514) |
Exchange of warrants to purchase Legacy Rocket Lab Series B preferred stock to common stock warrants | (2,975) |
Ending balance |  | $ 3,899

X
- Definition Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Cost of warrants Vesting + References No definition available. + Details
Name: | rklb_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityCostOfWarrantsVesting
Namespace Prefix: | rklb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value measurement with unobservable inputs reconciliation recurring basis liability exercise of warrants to purchase. + References No definition available. + Details
Name: | rklb_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityExerciseOfWarrantsToPurchase
Namespace Prefix: | rklb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition FairValue measurement with unobservable inputs reconciliation recurring basis liability exchange of warrants to purchase. + References No definition available. + Details
Name: | rklb_FairvalueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityExchangeOfWarrantsToPurchase
Namespace Prefix: | rklb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). + 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 (c)(1) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant