XML 108 R100.htm IDEA: XBRL DOCUMENT v3.22.1

Concentration of Credit Risk, Significant Customers and Geographic Information - Schedule of Long Lived Assets by Geographic Area (Detail) - Long Lived Assets [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Concentration Risk [Line Items]
Long-Lived Assets	$ 194,558	$ 91,216
Concentration risk percentage	100.00%	100.00%
United States [Member]
Concentration Risk [Line Items]
Long-Lived Assets	$ 148,248	$ 34,303
Concentration risk percentage	76.00%	38.00%
New Zealand [Member]
Concentration Risk [Line Items]
Long-Lived Assets	$ 45,050	$ 43,323
Concentration risk percentage	23.00%	47.00%
Canada [Member]
Concentration Risk [Line Items]
Long-Lived Assets	$ 1,260	$ 13,590
Concentration risk percentage	1.00%	15.00%

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

- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599

+ Details

Name:	us-gaap_NoncurrentAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=rklb_LongLivedAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_US
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=country_NZ
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=stpr_CA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: