Property and Equipment, Net - Additional Information (Detail) - GREENLIGHT BIOSCIENCES HOLDINGS, PBC [Member] - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Capital lease assets	$ 2.5		$ 2.5		$ 2.5
Capital lease accumulated amortization	1.7		1.7		$ 1.5
Depreciation and amortization expense	2.0	$ 1.2	4.1	$ 2.3
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Leasehold improvements	$ 6.2		$ 6.2

The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

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The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

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The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

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Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.

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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.

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