Property and Equipment, Net - Summary of Property and Equipment (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property and equipment, net	$ 22,876	$ 23,399
GREENLIGHT BIOSCIENCES HOLDINGS, PBC [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	34,183	32,658
Less: Accumulated depreciation and amortization	(11,307)	(9,259)
Property and equipment, net	22,876	23,399
Computer hardware and software [Member] \| GREENLIGHT BIOSCIENCES HOLDINGS, PBC [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	778	732
Laboratory equipment [Member] \| GREENLIGHT BIOSCIENCES HOLDINGS, PBC [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	20,480	19,590
Leasehold improvements [Member] \| GREENLIGHT BIOSCIENCES HOLDINGS, PBC [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	10,442	10,442
Construction in progress [Member] \| GREENLIGHT BIOSCIENCES HOLDINGS, PBC [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,483	$ 1,894

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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