3.22.1 html 283 398 1 true 92 0 false 6 false false R1.htm 100000 - Document - Cover Page Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/CoverPage Cover Page Cover 1 false false R2.htm 100010 - Statement - Condensed Consolidated Balance Sheets (Unaudited) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/StatementCondensedConsolidatedBalanceSheetsUnaudited Condensed Consolidated Balance Sheets (Unaudited) Statements 2 false false R3.htm 100030 - Statement - Condensed Consolidated Balance Sheets (Parentheticals) (Unaudited) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/StatementCondensedConsolidatedBalanceSheetsParentheticalsUnaudited Condensed Consolidated Balance Sheets (Parentheticals) (Unaudited) Statements 3 false false R4.htm 100050 - Statement - Condensed Consolidated Statements of Operations (Unaudited) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsUnaudited Condensed Consolidated Statements of Operations (Unaudited) Statements 4 false false R5.htm 100070 - Statement - Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (Unaudited) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/StatementCondensedConsolidatedStatementsOfRedeemableConvertiblePreferredStockAndStockholdersEquityDeficitUnaudited Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (Unaudited) Statements 5 false false R6.htm 100090 - Statement - Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (Parentheticals) (Unaudited) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/StatementCondensedConsolidatedStatementsOfRedeemableConvertiblePreferredStockAndStockholdersEquityDeficitParentheticalsUnaudited Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) (Parentheticals) (Unaudited) Statements 6 false false R7.htm 100100 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/StatementCondensedConsolidatedStatementsOfCashFlowsUnaudited Condensed Consolidated Statements of Cash Flows (Unaudited) Statements 7 false false R8.htm 100110 - Statement - Consolidated Statements of Cash Flows (Parenthetical) (Unaudited) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/StatementConsolidatedStatementsOfCashFlowsParentheticalUnaudited Consolidated Statements of Cash Flows (Parenthetical) (Unaudited) Statements 8 false false R9.htm 100120 - Disclosure - Nature of Business and Basis of Presentation Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureNatureOfBusinessAndBasisOfPresentation1 Nature of Business and Basis of Presentation Notes 9 false false R10.htm 100130 - Disclosure - Summary of Significant Accounting Policies Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/SummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 10 false false R11.htm 100140 - Disclosure - Business Combination Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureBusinessCombination1 Business Combination Notes 11 false false R12.htm 100150 - Disclosure - License Agreement Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/LicenseAgreement License Agreement Notes 12 false false R13.htm 100160 - Disclosure - License and Collaboration Agreements Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureLicenseAndCollaborationAgreements License and Collaboration Agreements Notes 13 false false R14.htm 100170 - Disclosure - Fair Value Measurements Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/FairValueMeasurements Fair Value Measurements Notes 14 false false R15.htm 100180 - Disclosure - Grant Revenue Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/GrantRevenue Grant Revenue Notes 15 false false R16.htm 100190 - Disclosure - Property and Equipment, Net Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/PropertyAndEquipmentNet Property and Equipment, Net Notes 16 false false R17.htm 100200 - Disclosure - Accrued Expenses Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/AccruedExpenses Accrued Expenses Notes 17 false false R18.htm 100210 - Disclosure - Debt Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/Debt Debt Notes 18 false false R19.htm 100220 - Disclosure - Warrants Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/Warrants Warrants Notes 19 false false R20.htm 100230 - Disclosure - Stockholders' Equity Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/StockholdersEquity Stockholders' Equity Notes 20 false false R21.htm 100240 - Disclosure - Stock-Based Compensation Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/StockBasedCompensation Stock-Based Compensation Notes 21 false false R22.htm 100250 - Disclosure - Net Loss Per Share Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/NetLossPerShare Net Loss Per Share Notes 22 false false R23.htm 100260 - Disclosure - Income Taxes Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/IncomeTaxes Income Taxes Notes 23 false false R24.htm 100270 - Disclosure - Commitments and Contingencies Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/CommitmentsAndContingencies Commitments and Contingencies Notes 24 false false R25.htm 100280 - Disclosure - Subsequent Events Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/SubsequentEvents Subsequent Events Notes 25 false false R26.htm 100290 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://greenlightbiosciences.com/20220331/taxonomy/role/SummaryOfSignificantAccountingPolicies 26 false false R27.htm 100300 - Disclosure - Nature of Business and Basis of Presentation (Tables) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureNatureOfBusinessAndBasisOfPresentationTables Nature of Business and Basis of Presentation (Tables) Tables http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureNatureOfBusinessAndBasisOfPresentation1 27 false false R28.htm 100310 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/SummaryOfSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://greenlightbiosciences.com/20220331/taxonomy/role/SummaryOfSignificantAccountingPolicies 28 false false R29.htm 100320 - Disclosure - Business Combination (Tables) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureBusinessCombinationTables Business Combination (Tables) Tables http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureBusinessCombination1 29 false false R30.htm 100330 - Disclosure - Fair Value Measurements (Tables) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/FairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://greenlightbiosciences.com/20220331/taxonomy/role/FairValueMeasurements 30 false false R31.htm 100340 - Disclosure - Property and Equipment, Net (Tables) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/PropertyAndEquipmentNetTables Property and Equipment, Net (Tables) Tables http://greenlightbiosciences.com/20220331/taxonomy/role/PropertyAndEquipmentNet 31 false false R32.htm 100350 - Disclosure - Accrued Expenses (Tables) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/AccruedExpensesTables Accrued Expenses (Tables) Tables http://greenlightbiosciences.com/20220331/taxonomy/role/AccruedExpenses 32 false false R33.htm 100360 - Disclosure - Debt (Tables) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DebtTables Debt (Tables) Tables http://greenlightbiosciences.com/20220331/taxonomy/role/Debt 33 false false R34.htm 100370 - Disclosure - Warrants (Tables) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/WarrantsTables Warrants (Tables) Tables http://greenlightbiosciences.com/20220331/taxonomy/role/Warrants 34 false false R35.htm 100380 - Disclosure - Stockholder's Equity (Tables) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureStockholdersEquityTables Stockholder's Equity (Tables) Tables 35 false false R36.htm 100390 - Disclosure - Stock-Based Compensation (Tables) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/StockBasedCompensationTables Stock-Based Compensation (Tables) Tables http://greenlightbiosciences.com/20220331/taxonomy/role/StockBasedCompensation 36 false false R37.htm 100400 - Disclosure - Net Loss Per Share (Tables) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/NetLossPerShareTables Net Loss Per Share (Tables) Tables http://greenlightbiosciences.com/20220331/taxonomy/role/NetLossPerShare 37 false false R38.htm 100410 - Disclosure - Commitments and Contingencies (Tables) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/CommitmentsAndContingenciesTables Commitments and Contingencies (Tables) Tables http://greenlightbiosciences.com/20220331/taxonomy/role/CommitmentsAndContingencies 38 false false R39.htm 100420 - Disclosure - Nature of Business and Basis of Presentation (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureNatureOfBusinessAndBasisOfPresentationDetails Nature of Business and Basis of Presentation (Details) Details http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureNatureOfBusinessAndBasisOfPresentationTables 39 false false R40.htm 100430 - Disclosure - Nature of Business and Basis of Presentation - Schedule of Restatement Consolidated Statement of Operations (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureNatureOfBusinessAndBasisOfPresentationScheduleOfRestatementConsolidatedStatementOfOperationsDetails Nature of Business and Basis of Presentation - Schedule of Restatement Consolidated Statement of Operations (Details) Details 40 false false R41.htm 100440 - Disclosure - Nature of Business and Basis of Presentation - Schedule Of Restatement Earnings Per Share Basic And Diluted (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureNatureOfBusinessAndBasisOfPresentationScheduleOfRestatementEarningsPerShareBasicAndDilutedDetails Nature of Business and Basis of Presentation - Schedule Of Restatement Earnings Per Share Basic And Diluted (Details) Details 41 false false R42.htm 100450 - Disclosure - Summary of Significant Accounting Policies (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails Summary of Significant Accounting Policies (Details) Details http://greenlightbiosciences.com/20220331/taxonomy/role/SummaryOfSignificantAccountingPoliciesTables 42 false false R43.htm 100460 - Disclosure - Summary of Significant Accounting Policies - Summary of Estimated Useful Lives of Property and Equipment (Detail) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/SummaryOfSignificantAccountingPoliciesSummaryOfEstimatedUsefulLivesOfPropertyAndEquipmentDetail Summary of Significant Accounting Policies - Summary of Estimated Useful Lives of Property and Equipment (Detail) Details 43 false false R44.htm 100470 - Disclosure - Business Combination - Additional Information (Detail) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureBusinessCombinationAdditionalInformationDetail Business Combination - Additional Information (Detail) Details 44 false false R45.htm 100480 - Disclosure - Business Combination - Summary of Reconciles Elements of Business Combination (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureBusinessCombinationSummaryOfReconcilesElementsOfBusinessCombinationDetails Business Combination - Summary of Reconciles Elements of Business Combination (Details) Details 45 false false R46.htm 100490 - Disclosure - Business Combination - Schedule of Number of Shares of Common Stock Outstanding Immediately Consummation of Business Combination (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureBusinessCombinationScheduleOfNumberOfSharesOfCommonStockOutstandingImmediatelyConsummationOfBusinessCombinationDetails Business Combination - Schedule of Number of Shares of Common Stock Outstanding Immediately Consummation of Business Combination (Details) Details 46 false false R47.htm 100500 - Disclosure - License Agreement - Additional Information (Detail) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/LicenseAgreementAdditionalInformationDetail License Agreement - Additional Information (Detail) Details 47 false false R48.htm 100510 - Disclosure - License and Collaboration Agreements - Additional Information (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureLicenseAndCollaborationAgreementsAdditionalInformationDetails License and Collaboration Agreements - Additional Information (Details) Details 48 false false R49.htm 100520 - Disclosure - Fair Value Measurements (Details) - Schedule of assets and liabilities at fair value on a recurring basis Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/FairValueMeasurementsDetailsScheduleOfAssetsAndLiabilitiesAtFairValueOnARecurringBasis Fair Value Measurements (Details) - Schedule of assets and liabilities at fair value on a recurring basis Details http://greenlightbiosciences.com/20220331/taxonomy/role/FairValueMeasurementsTables 49 false false R50.htm 100530 - Disclosure - Fair Value Measurements (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/FairValueMeasurementsDetails Fair Value Measurements (Details) Details http://greenlightbiosciences.com/20220331/taxonomy/role/FairValueMeasurementsTables 50 false false R51.htm 100540 - Disclosure - Fair Value Measurements (Details) - Schedule of changes in the fair value of Level 3 warrant liabilities Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/FairValueMeasurementsDetailsScheduleOfChangesInTheFairValueOfLevel3WarrantLiabilities Fair Value Measurements (Details) - Schedule of changes in the fair value of Level 3 warrant liabilities Details http://greenlightbiosciences.com/20220331/taxonomy/role/FairValueMeasurementsTables 51 false false R52.htm 100550 - Disclosure - Grant Revenue - Additional Information (Detail) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/GrantRevenueAdditionalInformationDetail Grant Revenue - Additional Information (Detail) Details 52 false false R53.htm 100560 - Disclosure - Property and Equipment, Net - Additional Information (Detail) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/PropertyAndEquipmentNetAdditionalInformationDetail Property and Equipment, Net - Additional Information (Detail) Details 53 false false R54.htm 100570 - Disclosure - Property and Equipment, Net - Summary of Property and Equipment (Detail) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/PropertyAndEquipmentNetSummaryOfPropertyAndEquipmentDetail Property and Equipment, Net - Summary of Property and Equipment (Detail) Details 54 false false R55.htm 100580 - Disclosure - Accrued Expenses - Summary of Accrued Expenses (Detail) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/AccruedExpensesSummaryOfAccruedExpensesDetail Accrued Expenses - Summary of Accrued Expenses (Detail) Details 55 false false R56.htm 100590 - Disclosure - Debt - Summary of Outstanding Debt (Detail) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureDebtSummaryOfOutstandingDebtDetail Debt - Summary of Outstanding Debt (Detail) Details 56 false false R57.htm 100600 - Disclosure - Debt - Summary of Outstanding Debt (Parenthetical) (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureDebtSummaryOfOutstandingDebtParentheticalDetails Debt - Summary of Outstanding Debt (Parenthetical) (Details) Details 57 false false R58.htm 100610 - Disclosure - Debt - Additional Information (Detail) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DebtAdditionalInformationDetail Debt - Additional Information (Detail) Details 58 false false R59.htm 100620 - Disclosure - Debt - Summary Of Interest Expense (Detail) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DebtSummaryOfInterestExpenseDetail Debt - Summary Of Interest Expense (Detail) Details 59 false false R60.htm 100630 - Disclosure - Debt - Summary Of Future Principal Payment Of Long Term Debt (Detail) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DebtSummaryOfFuturePrincipalPaymentOfLongTermDebtDetail Debt - Summary Of Future Principal Payment Of Long Term Debt (Detail) Details 60 false false R61.htm 100640 - Disclosure - Warrants - Additional Information (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureWarrantsAdditionalInformationDetails Warrants - Additional Information (Details) Details 61 false false R62.htm 100650 - Disclosure - Warrants - Summary of Common Stock Warrant Classified (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureWarrantsSummaryOfCommonStockWarrantClassifiedDetails Warrants - Summary of Common Stock Warrant Classified (Details) Details 62 false false R63.htm 100660 - Disclosure - Warrants - Summary of Estimated Fair Value of the Warrants (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureWarrantsSummaryOfEstimatedFairValueOfTheWarrantsDetails Warrants - Summary of Estimated Fair Value of the Warrants (Details) Details 63 false false R64.htm 100670 - Disclosure - Warrants - Summary of Roll-forward of the Warrants (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureWarrantsSummaryOfRollforwardOfTheWarrantsDetails Warrants - Summary of Roll-forward of the Warrants (Details) Details 64 false false R65.htm 100680 - Disclosure - Warrants - Summary of Roll-forward of the Warrants (Parenthetical) (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureWarrantsSummaryOfRollforwardOfTheWarrantsParentheticalDetails Warrants - Summary of Roll-forward of the Warrants (Parenthetical) (Details) Details 65 false false R66.htm 100690 - Disclosure - Stockholders' Equity - Additional Information (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureStockholdersEquityAdditionalInformationDetails Stockholders' Equity - Additional Information (Details) Details 66 false false R67.htm 100700 - Disclosure - Stockholders' Equity - Summary of Legacy Redeemable Convertible Preferred Stock Authorized, Issued, and Outstanding (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureStockholdersEquitySummaryOfLegacyRedeemableConvertiblePreferredStockAuthorizedIssuedAndOutstandingDetails Stockholders' Equity - Summary of Legacy Redeemable Convertible Preferred Stock Authorized, Issued, and Outstanding (Details) Details 67 false false R68.htm 100710 - Disclosure - Stockholders' Equity - Summary of Legacy Redeemable Convertible Preferred Stock Authorized, Issued, and Outstanding (Parenthetical) (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureStockholdersEquitySummaryOfLegacyRedeemableConvertiblePreferredStockAuthorizedIssuedAndOutstandingParentheticalDetails Stockholders' Equity - Summary of Legacy Redeemable Convertible Preferred Stock Authorized, Issued, and Outstanding (Parenthetical) (Details) Details 68 false false R69.htm 100720 - Disclosure - Stock-Based Compensation - Additional information (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/StockBasedCompensationAdditionalInformationDetails Stock-Based Compensation - Additional information (Details) Details 69 false false R70.htm 100730 - Disclosure - Stock-Based Compensation - Summary of Fair Value Assumptions of Stock Option Awards Estimated on Grant Date (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureStockbasedCompensationSummaryOfFairValueAssumptionsOfStockOptionAwardsEstimatedOnGrantDateDetails Stock-Based Compensation - Summary of Fair Value Assumptions of Stock Option Awards Estimated on Grant Date (Details) Details 70 false false R71.htm 100740 - Disclosure - Stock-Based Compensation - Summary of Stock Options Activity (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureStockbasedCompensationSummaryOfStockOptionsActivityDetails Stock-Based Compensation - Summary of Stock Options Activity (Details) Details 71 false false R72.htm 100750 - Disclosure - Stock-Based Compensation - Summary of Stock Options Activity (Parenthetical) (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureStockbasedCompensationSummaryOfStockOptionsActivityParentheticalDetails Stock-Based Compensation - Summary of Stock Options Activity (Parenthetical) (Details) Details 72 false false R73.htm 100760 - Disclosure - Stock-Based Compensation - Summary of Restricted Stock Activity (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/DisclosureStockbasedCompensationSummaryOfRestrictedStockActivityDetails Stock-Based Compensation - Summary of Restricted Stock Activity (Details) Details 73 false false R74.htm 100770 - Disclosure - Stock-Based Compensation - Summary of stock-based compensation expense (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/StockBasedCompensationSummaryOfStockBasedCompensationExpenseDetails Stock-Based Compensation - Summary of stock-based compensation expense (Details) Details 74 false false R75.htm 100780 - Disclosure - Net Loss Per Share - Summary of the computation of basic and diluted net loss per share attributable to common stockholders (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/NetLossPerShareSummaryOfTheComputationOfBasicAndDilutedNetLossPerShareAttributableToCommonStockholdersDetails Net Loss Per Share - Summary of the computation of basic and diluted net loss per share attributable to common stockholders (Details) Details 75 false false R76.htm 100790 - Disclosure - Net Loss Per Share - Summary of the excluded potential common stock (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/NetLossPerShareSummaryOfTheExcludedPotentialCommonStockDetails Net Loss Per Share - Summary of the excluded potential common stock (Details) Details 76 false false R77.htm 100800 - Disclosure - Income Taxes (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/IncomeTaxesDetails Income Taxes (Details) Details http://greenlightbiosciences.com/20220331/taxonomy/role/IncomeTaxes 77 false false R78.htm 100810 - Disclosure - Commitments and Contingencies (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/CommitmentsAndContingenciesDetails Commitments and Contingencies (Details) Details http://greenlightbiosciences.com/20220331/taxonomy/role/CommitmentsAndContingenciesTables 78 false false R79.htm 100820 - Disclosure - Commitments and Contingencies - Summary of future minimum lease payments under noncancelable operating leases (Details) Sheet http://greenlightbiosciences.com/20220331/taxonomy/role/CommitmentsAndContingenciesSummaryOfFutureMinimumLeasePaymentsUnderNoncancelableOperatingLeasesDetails Commitments and Contingencies - Summary of future minimum lease payments under noncancelable operating leases (Details) Details 79 false false All Reports Book All Reports grna-20220331.htm grna-20220331.xsd grna-20220331_cal.xml grna-20220331_def.xml grna-20220331_lab.xml grna-20220331_pre.xml grna-ex31_1.htm grna-ex31_2.htm grna-ex32_1.htm http://fasb.org/us-gaap/2021-01-31 http://xbrl.sec.gov/dei/2021q4 true true