3.25.3 html 375 453 1 false 111 0 false 16 false false R1.htm 0000001 - Document - Cover Sheet http://www.pacira.com/role/Cover Cover Cover 1 false false R2.htm 9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS Sheet http://www.pacira.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS CONDENSED CONSOLIDATED BALANCE SHEETS Statements 2 false false R3.htm 9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.pacira.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 3 false false R4.htm 9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://www.pacira.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Statements 4 false false R5.htm 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Sheet http://www.pacira.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Statements 5 false false R6.htm 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY Sheet http://www.pacira.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY Statements 6 false false R7.htm 9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.pacira.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 7 false false R8.htm 9952157 - Disclosure - DESCRIPTION OF BUSINESS Sheet http://www.pacira.com/role/DESCRIPTIONOFBUSINESS DESCRIPTION OF BUSINESS Notes 8 false false R9.htm 9952158 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Sheet http://www.pacira.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Notes 9 false false R10.htm 9952159 - Disclosure - GQ BIO THERAPEUTICS ACQUISITION Sheet http://www.pacira.com/role/GQBIOTHERAPEUTICSACQUISITION GQ BIO THERAPEUTICS ACQUISITION Notes 10 false false R11.htm 9952160 - Disclosure - REVENUE Sheet http://www.pacira.com/role/REVENUE REVENUE Notes 11 false false R12.htm 9952161 - Disclosure - INVENTORIES Sheet http://www.pacira.com/role/INVENTORIES INVENTORIES Notes 12 false false R13.htm 9952162 - Disclosure - FIXED ASSETS Sheet http://www.pacira.com/role/FIXEDASSETS FIXED ASSETS Notes 13 false false R14.htm 9952163 - Disclosure - LEASES Sheet http://www.pacira.com/role/LEASES LEASES Notes 14 false false R15.htm 9952164 - Disclosure - GOODWILL AND INTANGIBLE ASSETS Sheet http://www.pacira.com/role/GOODWILLANDINTANGIBLEASSETS GOODWILL AND INTANGIBLE ASSETS Notes 15 false false R16.htm 9952165 - Disclosure - DEBT Sheet http://www.pacira.com/role/DEBT DEBT Notes 16 false false R17.htm 9952166 - Disclosure - FINANCIAL INSTRUMENTS Sheet http://www.pacira.com/role/FINANCIALINSTRUMENTS FINANCIAL INSTRUMENTS Notes 17 false false R18.htm 9952167 - Disclosure - STOCKHOLDERS' EQUITY Sheet http://www.pacira.com/role/STOCKHOLDERSEQUITY STOCKHOLDERS' EQUITY Notes 18 false false R19.htm 9952168 - Disclosure - STOCK PLANS Sheet http://www.pacira.com/role/STOCKPLANS STOCK PLANS Notes 19 false false R20.htm 9952169 - Disclosure - NET INCOME (LOSS) PER COMMON SHARE Sheet http://www.pacira.com/role/NETINCOMELOSSPERCOMMONSHARE NET INCOME (LOSS) PER COMMON SHARE Notes 20 false false R21.htm 9952170 - Disclosure - INCOME TAXES Sheet http://www.pacira.com/role/INCOMETAXES INCOME TAXES Notes 21 false false R22.htm 9952171 - Disclosure - CONTINGENT CONSIDERATION CHARGES (GAINS), ACQUISITION-RELATED EXPENSES, RESTRUCTURING AND OTHER Sheet http://www.pacira.com/role/CONTINGENTCONSIDERATIONCHARGESGAINSACQUISITIONRELATEDEXPENSESRESTRUCTURINGANDOTHER CONTINGENT CONSIDERATION CHARGES (GAINS), ACQUISITION-RELATED EXPENSES, RESTRUCTURING AND OTHER Notes 22 false false R23.htm 9952172 - Disclosure - COMMITMENTS AND CONTINGENCIES Sheet http://www.pacira.com/role/COMMITMENTSANDCONTINGENCIES COMMITMENTS AND CONTINGENCIES Notes 23 false false R24.htm 9952173 - Disclosure - SEGMENT INFORMATION Sheet http://www.pacira.com/role/SEGMENTINFORMATION SEGMENT INFORMATION Notes 24 false false R25.htm 9952174 - Disclosure - SUBSEQUENT EVENTS Sheet http://www.pacira.com/role/SUBSEQUENTEVENTS SUBSEQUENT EVENTS Notes 25 false false R26.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 26 false false R27.htm 9955511 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Sheet http://www.pacira.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESPolicies SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Policies 27 false false R28.htm 9955512 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) Sheet http://www.pacira.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) Tables http://www.pacira.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIES 28 false false R29.htm 9955513 - Disclosure - GQ BIO THERAPEUTICS ACQUISITION (Tables) Sheet http://www.pacira.com/role/GQBIOTHERAPEUTICSACQUISITIONTables GQ BIO THERAPEUTICS ACQUISITION (Tables) Tables http://www.pacira.com/role/GQBIOTHERAPEUTICSACQUISITION 29 false false R30.htm 9955514 - Disclosure - REVENUE (Tables) Sheet http://www.pacira.com/role/REVENUETables REVENUE (Tables) Tables http://www.pacira.com/role/REVENUE 30 false false R31.htm 9955515 - Disclosure - INVENTORIES (Tables) Sheet http://www.pacira.com/role/INVENTORIESTables INVENTORIES (Tables) Tables http://www.pacira.com/role/INVENTORIES 31 false false R32.htm 9955516 - Disclosure - FIXED ASSETS (Tables) Sheet http://www.pacira.com/role/FIXEDASSETSTables FIXED ASSETS (Tables) Tables http://www.pacira.com/role/FIXEDASSETS 32 false false R33.htm 9955517 - Disclosure - LEASES (Tables) Sheet http://www.pacira.com/role/LEASESTables LEASES (Tables) Tables http://www.pacira.com/role/LEASES 33 false false R34.htm 9955518 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables) Sheet http://www.pacira.com/role/GOODWILLANDINTANGIBLEASSETSTables GOODWILL AND INTANGIBLE ASSETS (Tables) Tables http://www.pacira.com/role/GOODWILLANDINTANGIBLEASSETS 34 false false R35.htm 9955519 - Disclosure - DEBT (Tables) Sheet http://www.pacira.com/role/DEBTTables DEBT (Tables) Tables http://www.pacira.com/role/DEBT 35 false false R36.htm 9955520 - Disclosure - FINANCIAL INSTRUMENTS (Tables) Sheet http://www.pacira.com/role/FINANCIALINSTRUMENTSTables FINANCIAL INSTRUMENTS (Tables) Tables http://www.pacira.com/role/FINANCIALINSTRUMENTS 36 false false R37.htm 9955521 - Disclosure - STOCKHOLDERS' EQUITY (Tables) Sheet http://www.pacira.com/role/STOCKHOLDERSEQUITYTables STOCKHOLDERS' EQUITY (Tables) Tables http://www.pacira.com/role/STOCKHOLDERSEQUITY 37 false false R38.htm 9955522 - Disclosure - STOCK PLANS (Tables) Sheet http://www.pacira.com/role/STOCKPLANSTables STOCK PLANS (Tables) Tables http://www.pacira.com/role/STOCKPLANS 38 false false R39.htm 9955523 - Disclosure - NET INCOME (LOSS) PER COMMON SHARE (Tables) Sheet http://www.pacira.com/role/NETINCOMELOSSPERCOMMONSHARETables NET INCOME (LOSS) PER COMMON SHARE (Tables) Tables http://www.pacira.com/role/NETINCOMELOSSPERCOMMONSHARE 39 false false R40.htm 9955524 - Disclosure - INCOME TAXES (Tables) Sheet http://www.pacira.com/role/INCOMETAXESTables INCOME TAXES (Tables) Tables http://www.pacira.com/role/INCOMETAXES 40 false false R41.htm 9955525 - Disclosure - CONTINGENT CONSIDERATION CHARGES (GAINS), ACQUISITION-RELATED EXPENSES, RESTRUCTURING AND OTHER (Tables) Sheet http://www.pacira.com/role/CONTINGENTCONSIDERATIONCHARGESGAINSACQUISITIONRELATEDEXPENSESRESTRUCTURINGANDOTHERTables CONTINGENT CONSIDERATION CHARGES (GAINS), ACQUISITION-RELATED EXPENSES, RESTRUCTURING AND OTHER (Tables) Tables http://www.pacira.com/role/CONTINGENTCONSIDERATIONCHARGESGAINSACQUISITIONRELATEDEXPENSESRESTRUCTURINGANDOTHER 41 false false R42.htm 9955526 - Disclosure - SEGMENT INFORMATION (Tables) Sheet http://www.pacira.com/role/SEGMENTINFORMATIONTables SEGMENT INFORMATION (Tables) Tables http://www.pacira.com/role/SEGMENTINFORMATION 42 false false R43.htm 9955527 - Disclosure - DESCRIPTION OF BUSINESS (Details) Sheet http://www.pacira.com/role/DESCRIPTIONOFBUSINESSDetails DESCRIPTION OF BUSINESS (Details) Details http://www.pacira.com/role/DESCRIPTIONOFBUSINESS 43 false false R44.htm 9955528 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) Sheet http://www.pacira.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESDetails SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) Details http://www.pacira.com/role/SUMMARYOFSIGNIFICANTACCOUNTINGPOLICIESTables 44 false false R45.htm 9955529 - Disclosure - GQ BIO THERAPEUTICS ACQUISITION - Narrative (Details) Sheet http://www.pacira.com/role/GQBIOTHERAPEUTICSACQUISITIONNarrativeDetails GQ BIO THERAPEUTICS ACQUISITION - Narrative (Details) Details 45 false false R46.htm 9955530 - Disclosure - GQ BIO THERAPEUTICS ACQUISITION - Schedule of Reconciliation of Purchase Price to Total Consideration Transferred (Details) Sheet http://www.pacira.com/role/GQBIOTHERAPEUTICSACQUISITIONScheduleofReconciliationofPurchasePricetoTotalConsiderationTransferredDetails GQ BIO THERAPEUTICS ACQUISITION - Schedule of Reconciliation of Purchase Price to Total Consideration Transferred (Details) Details 46 false false R47.htm 9955531 - Disclosure - GQ BIO THERAPEUTICS ACQUISITION - Schedule of Indicates the Consideration Transferred to Effect the Acquisition of GQ Bio (Details) Sheet http://www.pacira.com/role/GQBIOTHERAPEUTICSACQUISITIONScheduleofIndicatestheConsiderationTransferredtoEffecttheAcquisitionofGQBioDetails GQ BIO THERAPEUTICS ACQUISITION - Schedule of Indicates the Consideration Transferred to Effect the Acquisition of GQ Bio (Details) Details 47 false false R48.htm 9955532 - Disclosure - REVENUE - Narrative (Details) Sheet http://www.pacira.com/role/REVENUENarrativeDetails REVENUE - Narrative (Details) Details 48 false false R49.htm 9955533 - Disclosure - REVENUE - Schedule of Disaggregated Revenue (Details) Sheet http://www.pacira.com/role/REVENUEScheduleofDisaggregatedRevenueDetails REVENUE - Schedule of Disaggregated Revenue (Details) Details 49 false false R50.htm 9955534 - Disclosure - INVENTORIES (Details) Sheet http://www.pacira.com/role/INVENTORIESDetails INVENTORIES (Details) Details http://www.pacira.com/role/INVENTORIESTables 50 false false R51.htm 9955535 - Disclosure - INVENTORIES - Narrative (Details) Sheet http://www.pacira.com/role/INVENTORIESNarrativeDetails INVENTORIES - Narrative (Details) Details 51 false false R52.htm 9955536 - Disclosure - FIXED ASSETS - Schedule of Fixed Assets Summarized by Major Category (Details) Sheet http://www.pacira.com/role/FIXEDASSETSScheduleofFixedAssetsSummarizedbyMajorCategoryDetails FIXED ASSETS - Schedule of Fixed Assets Summarized by Major Category (Details) Details 52 false false R53.htm 9955537 - Disclosure - FIXED ASSETS - Narrative (Details) Sheet http://www.pacira.com/role/FIXEDASSETSNarrativeDetails FIXED ASSETS - Narrative (Details) Details 53 false false R54.htm 9955538 - Disclosure - LEASES - Narrative (Details) Sheet http://www.pacira.com/role/LEASESNarrativeDetails LEASES - Narrative (Details) Details 54 false false R55.htm 9955539 - Disclosure - LEASES - Schedule of Operating Lease Expense and Other Operating Lease Information (Details) Sheet http://www.pacira.com/role/LEASESScheduleofOperatingLeaseExpenseandOtherOperatingLeaseInformationDetails LEASES - Schedule of Operating Lease Expense and Other Operating Lease Information (Details) Details 55 false false R56.htm 9955540 - Disclosure - LEASES - Schedule of Maturities of Operating Lease Liabilities (Details) Sheet http://www.pacira.com/role/LEASESScheduleofMaturitiesofOperatingLeaseLiabilitiesDetails LEASES - Schedule of Maturities of Operating Lease Liabilities (Details) Details 56 false false R57.htm 9955541 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Goodwill Rollforward (Details) Sheet http://www.pacira.com/role/GOODWILLANDINTANGIBLEASSETSScheduleofGoodwillRollforwardDetails GOODWILL AND INTANGIBLE ASSETS - Schedule of Goodwill Rollforward (Details) Details 57 false false R58.htm 9955542 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) Sheet http://www.pacira.com/role/GOODWILLANDINTANGIBLEASSETSNarrativeDetails GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) Details 58 false false R59.htm 9955543 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination (Details) Sheet http://www.pacira.com/role/GOODWILLANDINTANGIBLEASSETSScheduleofFiniteLivedIntangibleAssetsAcquiredasPartofBusinessCombinationDetails GOODWILL AND INTANGIBLE ASSETS - Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination (Details) Details 59 false false R60.htm 9955544 - Disclosure - DEBT - Schedule of Long-Term Debt Instruments (Details) Sheet http://www.pacira.com/role/DEBTScheduleofLongTermDebtInstrumentsDetails DEBT - Schedule of Long-Term Debt Instruments (Details) Details 60 false false R61.htm 9955545 - Disclosure - DEBT - Narrative (Details) Sheet http://www.pacira.com/role/DEBTNarrativeDetails DEBT - Narrative (Details) Details 61 false false R62.htm 9955546 - Disclosure - DEBT - Schedule of Debt (Details) Sheet http://www.pacira.com/role/DEBTScheduleofDebtDetails DEBT - Schedule of Debt (Details) Details 62 false false R63.htm 9955547 - Disclosure - DEBT - Schedule of Interest Expense (Details) Sheet http://www.pacira.com/role/DEBTScheduleofInterestExpenseDetails DEBT - Schedule of Interest Expense (Details) Details 63 false false R64.htm 9955548 - Disclosure - FINANCIAL INSTRUMENTS - Schedule of Carrying Amount and Fair Value of the Long-Term Debt (Details) Sheet http://www.pacira.com/role/FINANCIALINSTRUMENTSScheduleofCarryingAmountandFairValueoftheLongTermDebtDetails FINANCIAL INSTRUMENTS - Schedule of Carrying Amount and Fair Value of the Long-Term Debt (Details) Details 64 false false R65.htm 9955549 - Disclosure - FINANCIAL INSTRUMENTS - Schedule of Investments Without Readily Determinable Fair Value (Details) Sheet http://www.pacira.com/role/FINANCIALINSTRUMENTSScheduleofInvestmentsWithoutReadilyDeterminableFairValueDetails FINANCIAL INSTRUMENTS - Schedule of Investments Without Readily Determinable Fair Value (Details) Details 65 false false R66.htm 9955550 - Disclosure - FINANCIAL INSTRUMENTS - Narrative (Details) Sheet http://www.pacira.com/role/FINANCIALINSTRUMENTSNarrativeDetails FINANCIAL INSTRUMENTS - Narrative (Details) Details 66 false false R67.htm 9955551 - Disclosure - FINANCIAL INSTRUMENTS - Schedule of Key Assumptions used in the Valuation of Contingent Consideration (Details) Sheet http://www.pacira.com/role/FINANCIALINSTRUMENTSScheduleofKeyAssumptionsusedintheValuationofContingentConsiderationDetails FINANCIAL INSTRUMENTS - Schedule of Key Assumptions used in the Valuation of Contingent Consideration (Details) Details 67 false false R68.htm 9955552 - Disclosure - FINANCIAL INSTRUMENTS - Schedule of Change in Contingent Consideration Recorded at Fair Value Using Level 3 Measurements (Details) Sheet http://www.pacira.com/role/FINANCIALINSTRUMENTSScheduleofChangeinContingentConsiderationRecordedatFairValueUsingLevel3MeasurementsDetails FINANCIAL INSTRUMENTS - Schedule of Change in Contingent Consideration Recorded at Fair Value Using Level 3 Measurements (Details) Details 68 false false R69.htm 9955553 - Disclosure - FINANCIAL INSTRUMENTS - Schedule of Short-Term and Noncurrent Available-for-Sale Investments (Details) Sheet http://www.pacira.com/role/FINANCIALINSTRUMENTSScheduleofShortTermandNoncurrentAvailableforSaleInvestmentsDetails FINANCIAL INSTRUMENTS - Schedule of Short-Term and Noncurrent Available-for-Sale Investments (Details) Details 69 false false R70.htm 9955554 - Disclosure - STOCKHOLDERS' EQUITY - Schedule of Accumulated Other Comprehensive Loss (Details) Sheet http://www.pacira.com/role/STOCKHOLDERSEQUITYScheduleofAccumulatedOtherComprehensiveLossDetails STOCKHOLDERS' EQUITY - Schedule of Accumulated Other Comprehensive Loss (Details) Details 70 false false R71.htm 9955555 - Disclosure - STOCKHOLDERS' EQUITY - Narrative (Details) Sheet http://www.pacira.com/role/STOCKHOLDERSEQUITYNarrativeDetails STOCKHOLDERS' EQUITY - Narrative (Details) Details 71 false false R72.htm 9955556 - Disclosure - STOCK PLANS - Narrative (Details) Sheet http://www.pacira.com/role/STOCKPLANSNarrativeDetails STOCK PLANS - Narrative (Details) Details 72 false false R73.htm 9955557 - Disclosure - STOCK PLANS - Schedule of Stock Based Compensation Expenses (Details) Sheet http://www.pacira.com/role/STOCKPLANSScheduleofStockBasedCompensationExpensesDetails STOCK PLANS - Schedule of Stock Based Compensation Expenses (Details) Details 73 false false R74.htm 9955558 - Disclosure - STOCK PLANS - Schedule of Stock Based Compensation Activity (Details) Sheet http://www.pacira.com/role/STOCKPLANSScheduleofStockBasedCompensationActivityDetails STOCK PLANS - Schedule of Stock Based Compensation Activity (Details) Details 74 false false R75.htm 9955559 - Disclosure - STOCK PLANS - Schedule of Valuation Assumptions (Details) Sheet http://www.pacira.com/role/STOCKPLANSScheduleofValuationAssumptionsDetails STOCK PLANS - Schedule of Valuation Assumptions (Details) Details 75 false false R76.htm 9955560 - Disclosure - NET INCOME (LOSS) PER COMMON SHARE - Schedule of Computation of EPS (Details) Sheet http://www.pacira.com/role/NETINCOMELOSSPERCOMMONSHAREScheduleofComputationofEPSDetails NET INCOME (LOSS) PER COMMON SHARE - Schedule of Computation of EPS (Details) Details http://www.pacira.com/role/NETINCOMELOSSPERCOMMONSHARETables 76 false false R77.htm 9955561 - Disclosure - NET INCOME (LOSS) PER COMMON SHARE - Schedule of Antidilutive Securities (Details) Sheet http://www.pacira.com/role/NETINCOMELOSSPERCOMMONSHAREScheduleofAntidilutiveSecuritiesDetails NET INCOME (LOSS) PER COMMON SHARE - Schedule of Antidilutive Securities (Details) Details http://www.pacira.com/role/NETINCOMELOSSPERCOMMONSHARETables 77 false false R78.htm 9955562 - Disclosure - INCOME TAXES - Schedule of (Loss) Income Before Income Taxes and Income Tax Expense (Details) Sheet http://www.pacira.com/role/INCOMETAXESScheduleofLossIncomeBeforeIncomeTaxesandIncomeTaxExpenseDetails INCOME TAXES - Schedule of (Loss) Income Before Income Taxes and Income Tax Expense (Details) Details 78 false false R79.htm 9955563 - Disclosure - INCOME TAXES - Narrative (Details) Sheet http://www.pacira.com/role/INCOMETAXESNarrativeDetails INCOME TAXES - Narrative (Details) Details 79 false false R80.htm 9955564 - Disclosure - CONTINGENT CONSIDERATION CHARGES (GAINS), ACQUISITION-RELATED EXPENSES, RESTRUCTURING AND OTHER - Schedule of Acquisition-Related Charges (Gain), Restructuring Charges and Other (Details) Sheet http://www.pacira.com/role/CONTINGENTCONSIDERATIONCHARGESGAINSACQUISITIONRELATEDEXPENSESRESTRUCTURINGANDOTHERScheduleofAcquisitionRelatedChargesGainRestructuringChargesandOtherDetails CONTINGENT CONSIDERATION CHARGES (GAINS), ACQUISITION-RELATED EXPENSES, RESTRUCTURING AND OTHER - Schedule of Acquisition-Related Charges (Gain), Restructuring Charges and Other (Details) Details http://www.pacira.com/role/CONTINGENTCONSIDERATIONCHARGESGAINSACQUISITIONRELATEDEXPENSESRESTRUCTURINGANDOTHERTables 80 false false R81.htm 9955565 - Disclosure - CONTINGENT CONSIDERATION CHARGES (GAINS), ACQUISITION-RELATED EXPENSES, RESTRUCTURING AND OTHER - Narrative (Details) Sheet http://www.pacira.com/role/CONTINGENTCONSIDERATIONCHARGESGAINSACQUISITIONRELATEDEXPENSESRESTRUCTURINGANDOTHERNarrativeDetails CONTINGENT CONSIDERATION CHARGES (GAINS), ACQUISITION-RELATED EXPENSES, RESTRUCTURING AND OTHER - Narrative (Details) Details http://www.pacira.com/role/CONTINGENTCONSIDERATIONCHARGESGAINSACQUISITIONRELATEDEXPENSESRESTRUCTURINGANDOTHERTables 81 false false R82.htm 9955566 - Disclosure - CONTINGENT CONSIDERATION CHARGES (GAINS), ACQUISITION-RELATED EXPENSES, RESTRUCTURING AND OTHER - Schedule of Restructuring Charges (Details) Sheet http://www.pacira.com/role/CONTINGENTCONSIDERATIONCHARGESGAINSACQUISITIONRELATEDEXPENSESRESTRUCTURINGANDOTHERScheduleofRestructuringChargesDetails CONTINGENT CONSIDERATION CHARGES (GAINS), ACQUISITION-RELATED EXPENSES, RESTRUCTURING AND OTHER - Schedule of Restructuring Charges (Details) Details http://www.pacira.com/role/CONTINGENTCONSIDERATIONCHARGESGAINSACQUISITIONRELATEDEXPENSESRESTRUCTURINGANDOTHERTables 82 false false R83.htm 9955567 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details) Sheet http://www.pacira.com/role/COMMITMENTSANDCONTINGENCIESDetails COMMITMENTS AND CONTINGENCIES (Details) Details http://www.pacira.com/role/COMMITMENTSANDCONTINGENCIES 83 false false R84.htm 9955568 - Disclosure - SEGMENT INFORMATION - Narrative (Details) Sheet http://www.pacira.com/role/SEGMENTINFORMATIONNarrativeDetails SEGMENT INFORMATION - Narrative (Details) Details 84 false false R85.htm 9955569 - Disclosure - SEGMENT INFORMATION - Schedule of Reconciliation of Significant Expense Categories (Details) Sheet http://www.pacira.com/role/SEGMENTINFORMATIONScheduleofReconciliationofSignificantExpenseCategoriesDetails SEGMENT INFORMATION - Schedule of Reconciliation of Significant Expense Categories (Details) Details 85 false false R86.htm 9955570 - Disclosure - SUBSEQUENT EVENTS (Details) Sheet http://www.pacira.com/role/SUBSEQUENTEVENTSDetails SUBSEQUENT EVENTS (Details) Details http://www.pacira.com/role/SUBSEQUENTEVENTS 86 false false All Reports Book All Reports pcrx-20250930.htm pcrx-20250930.xsd pcrx-20250930_cal.xml pcrx-20250930_def.xml pcrx-20250930_lab.xml pcrx-20250930_pre.xml pcrx-20250930_g1.jpg pcrx-20250930_g2.jpg http://fasb.org/srt/2025 http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 true true