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Leases - Schedule of Future Minimum Operating Lease Payments (Detail) - Rocket Lab USA, Inc. $ in Thousands	Dec. 31, 2020 USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2021	$ 3,076
2022	3,109
2023	3,236
2024	3,143
2025	3,145
Thereafter	24,749
Total lease payments	40,458
Less imputed interest	(11,489)
Total	$ 28,969

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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