3.26.1 html 428 348 1 true 98 0 false 9 false false R1.htm 75000 - Document - Cover Sheet http://www.purecycle.com/20260331/taxonomy/role/Cover Cover Cover 1 false false R2.htm 75010 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS Sheet http://www.purecycle.com/20260331/taxonomy/role/StatementCondensedConsolidatedBalanceSheets CONDENSED CONSOLIDATED BALANCE SHEETS Statements 2 false false R3.htm 75020 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.purecycle.com/20260331/taxonomy/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 3 false false R4.htm 75030 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS)/INCOME Sheet http://www.purecycle.com/20260331/taxonomy/role/StatementCondensedConsolidatedStatementsOfComprehensiveLossincome CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS)/INCOME Statements 4 false false R5.htm 75040 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF MEZZANINE EQUITY AND STOCKHOLDERS' EQUITY Sheet http://www.purecycle.com/20260331/taxonomy/role/StatementCondensedConsolidatedStatementsOfMezzanineEquityAndStockholdersEquity CONDENSED CONSOLIDATED STATEMENTS OF MEZZANINE EQUITY AND STOCKHOLDERS' EQUITY Statements 5 false false R6.htm 75050 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.purecycle.com/20260331/taxonomy/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 6 false false R7.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 7 false false R8.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 8 false false R9.htm 995455 - Disclosure - ORGANIZATION Sheet http://www.purecycle.com/20260331/taxonomy/role/ORGANIZATION ORGANIZATION Notes 9 false false R10.htm 995465 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Sheet http://www.purecycle.com/20260331/taxonomy/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Notes 10 false false R11.htm 995475 - Disclosure - RELATED PARTY TRANSACTIONS Sheet http://www.purecycle.com/20260331/taxonomy/role/RELATEDPARTYTRANSACTIONS RELATED PARTY TRANSACTIONS Notes 11 false false R12.htm 995485 - Disclosure - AVAILABLE-FOR-SALE INVESTMENTS Sheet http://www.purecycle.com/20260331/taxonomy/role/AVAILABLEFORSALEINVESTMENTS AVAILABLE-FOR-SALE INVESTMENTS Notes 12 false false R13.htm 995495 - Disclosure - INVENTORY Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureInventory INVENTORY Notes 13 false false R14.htm 995505 - Disclosure - PROPERTY, PLANT AND EQUIPMENT Sheet http://www.purecycle.com/20260331/taxonomy/role/PROPERTYPLANTANDEQUIPMENT PROPERTY, PLANT AND EQUIPMENT Notes 14 false false R15.htm 995515 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureAccruedExpensesAndOtherCurrentLiabilities ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES Notes 15 false false R16.htm 995525 - Disclosure - LONG-TERM DEBT AND BONDS PAYABLE Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureLongtermDebtAndBondsPayable1 LONG-TERM DEBT AND BONDS PAYABLE Notes 16 false false R17.htm 995535 - Disclosure - INCOME TAXES Sheet http://www.purecycle.com/20260331/taxonomy/role/INCOMETAXES INCOME TAXES Notes 17 false false R18.htm 995545 - Disclosure - COMMITMENTS AND CONTINGENCIES Sheet http://www.purecycle.com/20260331/taxonomy/role/COMMITMENTSANDCONTINGENCIES COMMITMENTS AND CONTINGENCIES Notes 18 false false R19.htm 995555 - Disclosure - MEZZANINE EQUITY AND STOCKHOLDERS' EQUITY Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureMezzanineEquityAndStockholdersEquity MEZZANINE EQUITY AND STOCKHOLDERS' EQUITY Notes 19 false false R20.htm 995565 - Disclosure - EQUITY-BASED COMPENSATION Sheet http://www.purecycle.com/20260331/taxonomy/role/EQUITYBASEDCOMPENSATION EQUITY-BASED COMPENSATION Notes 20 false false R21.htm 995575 - Disclosure - WARRANTS Sheet http://www.purecycle.com/20260331/taxonomy/role/WARRANTS WARRANTS Notes 21 false false R22.htm 995585 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS Sheet http://www.purecycle.com/20260331/taxonomy/role/FAIRVALUEOFFINANCIALINSTRUMENTS FAIR VALUE OF FINANCIAL INSTRUMENTS Notes 22 false false R23.htm 995595 - Disclosure - NET (LOSS)/EARNINGS PER SHARE Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureNetLossearningsPerShare NET (LOSS)/EARNINGS PER SHARE Notes 23 false false R24.htm 995605 - Disclosure - SUBSEQUENT EVENTS Sheet http://www.purecycle.com/20260331/taxonomy/role/SUBSEQUENTEVENTS SUBSEQUENT EVENTS Notes 24 false false R25.htm 995615 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Sheet http://www.purecycle.com/20260331/taxonomy/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Policies 25 false false R26.htm 995625 - Disclosure - RELATED PARTY TRANSACTIONS (Tables) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureRelatedPartyTransactionsTables RELATED PARTY TRANSACTIONS (Tables) Tables http://www.purecycle.com/20260331/taxonomy/role/RELATEDPARTYTRANSACTIONS 26 false false R27.htm 995635 - Disclosure - AVAILABLE-FOR-SALE INVESTMENTS (Tables) Sheet http://www.purecycle.com/20260331/taxonomy/role/AVAILABLEFORSALEINVESTMENTSTables AVAILABLE-FOR-SALE INVESTMENTS (Tables) Tables http://www.purecycle.com/20260331/taxonomy/role/AVAILABLEFORSALEINVESTMENTS 27 false false R28.htm 995645 - Disclosure - INVENTORY (Tables) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureInventoryTables INVENTORY (Tables) Tables http://www.purecycle.com/20260331/taxonomy/role/DisclosureInventory 28 false false R29.htm 995655 - Disclosure - PROPERTY, PLANT AND EQUIPMENT (Tables) Sheet http://www.purecycle.com/20260331/taxonomy/role/PROPERTYPLANTANDEQUIPMENTTables PROPERTY, PLANT AND EQUIPMENT (Tables) Tables http://www.purecycle.com/20260331/taxonomy/role/PROPERTYPLANTANDEQUIPMENT 29 false false R30.htm 995665 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Tables) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureAccruedExpensesAndOtherCurrentLiabilitiesTables ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Tables) Tables http://www.purecycle.com/20260331/taxonomy/role/DisclosureAccruedExpensesAndOtherCurrentLiabilities 30 false false R31.htm 995675 - Disclosure - LONG-TERM DEBT AND BONDS PAYABLE (Tables) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureLongtermDebtAndBondsPayableTables LONG-TERM DEBT AND BONDS PAYABLE (Tables) Tables http://www.purecycle.com/20260331/taxonomy/role/DisclosureLongtermDebtAndBondsPayable1 31 false false R32.htm 995685 - Disclosure - EQUITY-BASED COMPENSATION (Tables) Sheet http://www.purecycle.com/20260331/taxonomy/role/EQUITYBASEDCOMPENSATIONTables EQUITY-BASED COMPENSATION (Tables) Tables http://www.purecycle.com/20260331/taxonomy/role/EQUITYBASEDCOMPENSATION 32 false false R33.htm 995695 - Disclosure - WARRANTS (Tables) Sheet http://www.purecycle.com/20260331/taxonomy/role/WARRANTSTables WARRANTS (Tables) Tables http://www.purecycle.com/20260331/taxonomy/role/WARRANTS 33 false false R34.htm 995705 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) Sheet http://www.purecycle.com/20260331/taxonomy/role/FAIRVALUEOFFINANCIALINSTRUMENTSTables FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) Tables http://www.purecycle.com/20260331/taxonomy/role/FAIRVALUEOFFINANCIALINSTRUMENTS 34 false false R35.htm 995715 - Disclosure - NET (LOSS)/EARNINGS PER SHARE (Tables) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureNetLossearningsPerShareTables NET (LOSS)/EARNINGS PER SHARE (Tables) Tables http://www.purecycle.com/20260331/taxonomy/role/DisclosureNetLossearningsPerShare 35 false false R36.htm 995725 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesNarrativeDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) Details 36 false false R37.htm 995735 - Disclosure - RELATED PARTY TRANSACTIONS - Narrative (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureRelatedPartyTransactionsNarrativeDetails RELATED PARTY TRANSACTIONS - Narrative (Details) Details 37 false false R38.htm 995745 - Disclosure - RELATED PARTY TRANSACTIONS - Summary of Related Party Balances and Transactions (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureRelatedPartyTransactionsSummaryOfRelatedPartyBalancesAndTransactionsDetails RELATED PARTY TRANSACTIONS - Summary of Related Party Balances and Transactions (Details) Details 38 false false R39.htm 995755 - Disclosure - AVAILABLE-FOR-SALE INVESTMENTS - Investments by Major Security Type (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/AVAILABLEFORSALEINVESTMENTSInvestmentsbyMajorSecurityTypeDetails AVAILABLE-FOR-SALE INVESTMENTS - Investments by Major Security Type (Details) Details 39 false false R40.htm 995765 - Disclosure - AVAILABLE-FOR-SALE INVESTMENTS - Narrative (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/AVAILABLEFORSALEINVESTMENTSNarrativeDetails AVAILABLE-FOR-SALE INVESTMENTS - Narrative (Details) Details 40 false false R41.htm 995775 - Disclosure - INVENTORY - Schedule of Inventory (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureInventoryScheduleOfInventoryDetails INVENTORY - Schedule of Inventory (Details) Details 41 false false R42.htm 995785 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Schedule of Property and Equipment (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/PROPERTYPLANTANDEQUIPMENTScheduleofPropertyandEquipmentDetails PROPERTY, PLANT AND EQUIPMENT - Schedule of Property and Equipment (Details) Details 42 false false R43.htm 995795 - Disclosure - PROPERTY, PLANT AND EQUIPMENT - Summary of Depreciation Expense (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosurePropertyPlantAndEquipmentSummaryOfDepreciationExpenseDetails PROPERTY, PLANT AND EQUIPMENT - Summary of Depreciation Expense (Details) Details 43 false false R44.htm 995805 - Disclosure - ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details)) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureAccruedExpensesAndOtherCurrentLiabilitiesDetails ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details)) Details http://www.purecycle.com/20260331/taxonomy/role/DisclosureAccruedExpensesAndOtherCurrentLiabilitiesTables 44 false false R45.htm 995825 - Disclosure - LONG-TERM DEBT AND BONDS PAYABLE - Schedule of Debt (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureLongtermDebtAndBondsPayableScheduleOfDebtDetails LONG-TERM DEBT AND BONDS PAYABLE - Schedule of Debt (Details) Details 45 false false R46.htm 995835 - Disclosure - LONG-TERM DEBT AND BONDS PAYABLE - Schedule of Debt (Parenthetical) (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureLongtermDebtAndBondsPayableScheduleOfDebtParentheticalDetails LONG-TERM DEBT AND BONDS PAYABLE - Schedule of Debt (Parenthetical) (Details) Details 46 false false R47.htm 995845 - Disclosure - LONG-TERM DEBT AND BONDS PAYABLE - Green Convertible Notes (Details) Notes http://www.purecycle.com/20260331/taxonomy/role/DisclosureLongtermDebtAndBondsPayableGreenConvertibleNotesDetails LONG-TERM DEBT AND BONDS PAYABLE - Green Convertible Notes (Details) Details 47 false false R48.htm 995855 - Disclosure - LONG-TERM DEBT AND BONDS PAYABLE - Summary of Interest Expense of Green Convertible Notes (Details) Notes http://www.purecycle.com/20260331/taxonomy/role/DisclosureLongtermDebtAndBondsPayableSummaryOfInterestExpenseOfGreenConvertibleNotesDetails LONG-TERM DEBT AND BONDS PAYABLE - Summary of Interest Expense of Green Convertible Notes (Details) Details 48 false false R49.htm 995865 - Disclosure - LONG-TERM DEBT AND BONDS PAYABLE - Summary of Green Convertible Notes (Details) Notes http://www.purecycle.com/20260331/taxonomy/role/DisclosureLongtermDebtAndBondsPayableSummaryOfGreenConvertibleNotesDetails LONG-TERM DEBT AND BONDS PAYABLE - Summary of Green Convertible Notes (Details) Details 49 false false R50.htm 995875 - Disclosure - LONG-TERM DEBT AND BONDS PAYABLE - Summary of Revenue Bonds (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureLongtermDebtAndBondsPayableSummaryOfRevenueBondsDetails LONG-TERM DEBT AND BONDS PAYABLE - Summary of Revenue Bonds (Details) Details 50 false false R51.htm 995885 - Disclosure - LONG-TERM DEBT AND BONDS PAYABLE - Revenue Bonds (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureLongtermDebtAndBondsPayableRevenueBondsDetails LONG-TERM DEBT AND BONDS PAYABLE - Revenue Bonds (Details) Details 51 false false R52.htm 995895 - Disclosure - LONG-TERM DEBT AND BONDS PAYABLE - Summary of the Company's Revenue Bonds (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureLongtermDebtAndBondsPayableSummaryOfTheCompanysRevenueBondsDetails LONG-TERM DEBT AND BONDS PAYABLE - Summary of the Company's Revenue Bonds (Details) Details 52 false false R53.htm 995905 - Disclosure - LONG-TERM DEBT AND BONDS PAYABLE - Revenue Bonds Sold to Related Party (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureLongtermDebtAndBondsPayableRevenueBondsSoldToRelatedPartyDetails LONG-TERM DEBT AND BONDS PAYABLE - Revenue Bonds Sold to Related Party (Details) Details 53 false false R54.htm 995915 - Disclosure - LONG-TERM DEBT AND BONDS PAYABLE - Sylebra Credit Facility (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureLongtermDebtAndBondsPayableSylebraCreditFacilityDetails LONG-TERM DEBT AND BONDS PAYABLE - Sylebra Credit Facility (Details) Details 54 false false R55.htm 995925 - Disclosure - INCOME TAXES (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/INCOMETAXESDetails INCOME TAXES (Details) Details http://www.purecycle.com/20260331/taxonomy/role/INCOMETAXES 55 false false R56.htm 995935 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/COMMITMENTSANDCONTINGENCIESDetails COMMITMENTS AND CONTINGENCIES (Details) Details http://www.purecycle.com/20260331/taxonomy/role/COMMITMENTSANDCONTINGENCIES 56 false false R57.htm 995945 - Disclosure - MEZZANINE EQUITY AND STOCKHOLDERS' EQUITY (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureMezzanineEquityAndStockholdersEquityDetails MEZZANINE EQUITY AND STOCKHOLDERS' EQUITY (Details) Details http://www.purecycle.com/20260331/taxonomy/role/DisclosureMezzanineEquityAndStockholdersEquity 57 false false R58.htm 995955 - Disclosure - EQUITY-BASED COMPENSATION - Narrative (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureEquitybasedCompensationNarrativeDetails EQUITY-BASED COMPENSATION - Narrative (Details) Details 58 false false R59.htm 995965 - Disclosure - EQUITY-BASED COMPENSATION - RSU Activity (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureEquitybasedCompensationRsuActivityDetails EQUITY-BASED COMPENSATION - RSU Activity (Details) Details 59 false false R60.htm 995975 - Disclosure - EQUITY-BASED COMPENSATION - Stock Options, Valuation Assumptions (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/EQUITYBASEDCOMPENSATIONStockOptionsValuationAssumptionsDetails EQUITY-BASED COMPENSATION - Stock Options, Valuation Assumptions (Details) Details 60 false false R61.htm 995985 - Disclosure - EQUITY-BASED COMPENSATION - Stock Option Activity (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/EQUITYBASEDCOMPENSATIONStockOptionActivityDetails EQUITY-BASED COMPENSATION - Stock Option Activity (Details) Details 61 false false R62.htm 995995 - Disclosure - EQUITY-BASED COMPENSATION - Performance-Based Restricted Stock Activity (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/EQUITYBASEDCOMPENSATIONPerformanceBasedRestrictedStockActivityDetails EQUITY-BASED COMPENSATION - Performance-Based Restricted Stock Activity (Details) Details 62 false false R63.htm 996005 - Disclosure - EQUITY-BASED COMPENSATION - Equity-Based Compensation Expense (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureEquitybasedCompensationEquitybasedCompensationExpenseDetails EQUITY-BASED COMPENSATION - Equity-Based Compensation Expense (Details) Details 63 false false R64.htm 996015 - Disclosure - WARRANTS - Schedule of Warrants Outstanding (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureWarrantsScheduleOfWarrantsOutstandingDetails WARRANTS - Schedule of Warrants Outstanding (Details) Details 64 false false R65.htm 996025 - Disclosure - WARRANTS - Additional Information (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureWarrantsAdditionalInformationDetails1 WARRANTS - Additional Information (Details) Details 65 false false R66.htm 996035 - Disclosure - WARRANTS - Summary of Warrant (Benefit)/Expense (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureWarrantsSummaryOfWarrantBenefitexpenseDetails WARRANTS - Summary of Warrant (Benefit)/Expense (Details) Details 66 false false R67.htm 996045 - Disclosure - WARRANTS - Summary of Warrant (Benefit)/Expense (Parenthetical) (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureWarrantsSummaryOfWarrantBenefitexpenseParentheticalDetails WARRANTS - Summary of Warrant (Benefit)/Expense (Parenthetical) (Details) Details 67 false false R68.htm 996055 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of Liabilities Measurements on a Recurring Basis (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureFairValueOfFinancialInstrumentsSummaryOfLiabilitiesMeasurementsOnARecurringBasisDetails FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of Liabilities Measurements on a Recurring Basis (Details) Details 68 false false R69.htm 996065 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of Financial Liabilities for Instruments not Remeasured at Fair Value on a Recurring Basis (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureFairValueOfFinancialInstrumentsSummaryOfFinancialLiabilitiesForInstrumentsNotRemeasuredAtFairValueOnARecurringBasisDetails FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of Financial Liabilities for Instruments not Remeasured at Fair Value on a Recurring Basis (Details) Details 69 false false R70.htm 996075 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Fair Value Measurement Inputs (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/FAIRVALUEOFFINANCIALINSTRUMENTSFairValueMeasurementInputsDetails FAIR VALUE OF FINANCIAL INSTRUMENTS - Fair Value Measurement Inputs (Details) Details 70 false false R71.htm 996085 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Additional Information (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/FAIRVALUEOFFINANCIALINSTRUMENTSAdditionalInformationDetails FAIR VALUE OF FINANCIAL INSTRUMENTS - Additional Information (Details) Details 71 false false R72.htm 996095 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS - Level 3 Liabilities Measured at Fair Value (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/FAIRVALUEOFFINANCIALINSTRUMENTSLevel3LiabilitiesMeasuredatFairValueDetails FAIR VALUE OF FINANCIAL INSTRUMENTS - Level 3 Liabilities Measured at Fair Value (Details) Details 72 false false R73.htm 996105 - Disclosure - NET (LOSS)/EARNINGS PER SHARE - Basic and Diluted (Loss)/Earnings per Share Calculations (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureNetLossearningsPerShareBasicAndDilutedLossearningsPerShareCalculationsDetails NET (LOSS)/EARNINGS PER SHARE - Basic and Diluted (Loss)/Earnings per Share Calculations (Details) Details http://www.purecycle.com/20260331/taxonomy/role/DisclosureNetLossearningsPerShareTables 73 false false R74.htm 996125 - Disclosure - NET (LOSS)/EARNINGS PER SHARE - Summary of Outstanding Common Stock Equivalents (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureNetLossearningsPerShareSummaryOfOutstandingCommonStockEquivalentsDetails NET (LOSS)/EARNINGS PER SHARE - Summary of Outstanding Common Stock Equivalents (Details) Details http://www.purecycle.com/20260331/taxonomy/role/DisclosureNetLossearningsPerShareTables 74 false false R75.htm 996135 - Disclosure - NET (LOSS)/EARNINGS PER SHARE - Summary of Outstanding Common Stock Equivalents (Parenthetical) (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureNetLossearningsPerShareSummaryOfOutstandingCommonStockEquivalentsParentheticalDetails NET (LOSS)/EARNINGS PER SHARE - Summary of Outstanding Common Stock Equivalents (Parenthetical) (Details) Details http://www.purecycle.com/20260331/taxonomy/role/DisclosureNetLossearningsPerShareTables 75 false false R76.htm 996145 - Disclosure - SUBSEQUENT EVENTS - Additional Information (Details) Sheet http://www.purecycle.com/20260331/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetails SUBSEQUENT EVENTS - Additional Information (Details) Details 76 false false All Reports Book All Reports pct-20260331.htm pct-20260331.xsd img192174466_0.jpg http://fasb.org/srt/2025 http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 false false