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Income Taxes - Schedule of Net Deferred Tax Assets (Detail) - Rocket Lab USA, Inc. - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020	Dec. 31, 2019
Deferred Tax Asset [Line Items]
Deferred tax assets	$ 2,935	$ 2,398	$ 1,685
Deferred tax liabilities (included in Other non-current liabilities)		(150)	0
Net deferred tax assets		$ 2,248	$ 1,685

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- Definition

Deferred Tax Asset [Line Items]

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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-Publisher FASB
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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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