XML 105 R97.htm IDEA: XBRL DOCUMENT
v3.22.1

Concentration of Credit Risk, Significant Customers and Geographic Information - Additional Informatiion (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Accounts Receivable [Member] |  |
Concentration Risk [Line Items] |  |
Concentration risk percentage | 10.00% | 10.00%
Concentration Risk, Percentage | Accounts receivable was less than 10% |
Revenue [Member] |  |
Concentration Risk [Line Items] |  |
Concentration risk percentage | 10.00% |
Concentration Risk, Percentage | Revenue was less than 10% |

X
- Definition Concentration of Credit Risk. + References No definition available. + Details
Name: | rklb_ConcentrationOfCreditRisk
Namespace Prefix: | rklb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Concentration risk percentage. + References No definition available. + Details
Name: | rklb_ConcentrationRiskPercentage
Namespace Prefix: | rklb_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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: | us-gaap_ConcentrationRiskLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |