Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum Maximum [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Title of 12(b) Security Title of 12(b) Security Carrying Value Reported Value Measurement [Member] Subsequent Event Subsequent Event [Member] Adjustment to Compensation, Amount Adjustment to Compensation Amount Financial Instrument [Axis] Financial Instrument [Axis] Financial Liabilities: Financial Liabilities Fair Value Disclosure [Abstract] Segment Reporting [Abstract] Compensation and benefits Employee-related Liabilities, Current Convertible debt, premium on common stock Debt Instrument, Conversion Obligation Premium on Common Stock Represents the percentage of premium added to the last reported sale price of the common stock of the entity to arrive at the conversion price of the debt instrument. Derivative Instrument [Axis] Derivative Instrument [Axis] Vested restricted stock units (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Finished Goods Finished Goods [Member] Finished Goods Proceeds from iovera®° divestiture Cash received Proceeds from Divestiture of Businesses Initial conversion price of notes into common stock (in dollars per share) Debt Instrument, Convertible, Conversion Price Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Developed technologies Developed Technology Rights [Member] Leases [Abstract] Leases [Abstract] Intangible Asset, Finite-Lived, Acquired [Line Items] Intangible Asset, Finite-Lived, Acquired [Line Items] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Intangible assets, net Intangible Assets, Net Intangible 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Total liabilities Liabilities Trading Symbol Trading Symbol Discount rates Measurement Input, Discount Rate [Member] Purchases of fixed assets Payments to Acquire Property, Plant, and Equipment Accrued income taxes Accrued Income Taxes, Current Company Selected Measure Name Company Selected Measure Name Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Concentration of Major Customers Concentration Risk [Line Items] Credit Facility [Domain] Credit Facility [Domain] Potential contingent consideration Disposal Group, Including Discontinued Operation, Contingent Consideration Disposal Group, Including Discontinued Operation, Contingent Consideration Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Disposal Group Name [Domain] Disposal Group Name [Domain] Deferred taxes Deferred Income Taxes and Tax Credits Type of Arrangement and 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stockholders’ equity Balance at beginning of period Balance at ending of period Equity, Attributable to Parent Impairments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Impairments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Impairments MyoScience Milestone Litigation MyoScience Milestone Litigation [Member] MyoScience Milestone Litigation ASSETS Assets [Abstract] Cost Debt Securities, Available-for-Sale, Amortized Cost Legal judgment Legal judgment Litigation Settlement, Gain Insider Trading Policies and Procedures [Line Items] ACCRUED EXPENSES Accounts Payable and Accrued Liabilities Disclosure [Text Block] Amount of allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Performance share units Performance Share Units Performance Shares [Member] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Probability of payment for remaining regulatory milestones Measurement Input, Expected Milestone Payment [Member] Measurement Input, Expected Milestone Payment [Member] Restructuring charges and other Restructuring, Settlement and Impairment Provisions Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items] Number of operating segments Number of Operating Segments Antidilutive effects of including these potential shares (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Sales of available-for-sale investments Proceeds from Sale of Short-Term Investments Carrying value of impairment of intangible assets Impairment Of Intangible Assets, Carrying Value Impairment Of Intangible Assets, Carrying Value Entity Central Index Key Entity Central Index Key Less: accumulated depreciation Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Convertible Note Receivable Convertible Note Receivable [Member] Convertible Note Receivable Ownership [Axis] Ownership [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Schedule of Valuation Assumptions Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Number of Stock Options Share-Based Compensation Arrangement by 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Credit Facility Revolving Credit Facility [Member] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Unrealized Foreign Currency Translation Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Diluted net income per common share (in dollars per share) Earnings Per Share, Diluted Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Litigation Case [Domain] Litigation Case [Domain] Amortization of acquired intangible assets Intangible Asset, Finite-Lived, Amortization Expense Stockholders' Equity Note [Abstract] Stockholders' Equity Note [Abstract] Ownership [Domain] Ownership [Domain] Proceeds from long-term lines of credit Proceeds from Long-Term Lines of Credit Acquisition-related expenses Business Combination, Acquisition-Related Cost, Expense (Reversal) Business Combination, Acquisition-Related Cost, Expense (Reversal) Discount rate Debt Instrument, Discount Rate Debt Instrument, Discount Rate Total revenues Total net product sales Revenues Revenue from Contract with Customer, Excluding Assessed Tax Inventory Disposal Group, Including Discontinued Operation, Inventory Agreement period of volumes distributed in market Litigation Settlement, Volume-Limited, Maximum Percentage, Period Litigation Settlement, Volume-Limited, Maximum Percentage, Period Number of embedded leases Number Of Leases Number Of Leases Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Purchases of available-for-sale investments Payments to Acquire Short-Term Investments Gross Carrying Value Intangible Asset, Excluding Goodwill, before Accumulated Amortization Adjusted research and development Research And Development, Adjusted Research And Development, Adjusted Construction in progress Construction in Progress [Member] Product returns and wholesaler service fees Product Warranty Accrual, Current Accrued excise tax Share Repurchase Program, Excise Tax Operating activities: Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Income from operations Operating Income (Loss) Service Service [Member] Accrued research and development expenses Accrued Research And Development Expenses Amount of liabilities incurred and payable to vendors for goods and services related to research and development activities. Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Equity Investments Equity Securities [Member] Key employee holdback recognition year two Business Combination, Liabilities Arising from Contingencies, Percent, Year Two Business Combination, Liabilities Arising from Contingencies, Percent, Year Two Term three Debt Conversion Terms Three [Member] Debt Conversion Terms Three Impairments Asset, Impairment Loss EARNINGS PER SHARE Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Common stock, shares issued (in shares) Common Stock, Shares, Issued Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Supplemental cash flow information related to operating leases Cash Flow, Operating Activities, Lessee [Abstract] 0.750% Convertible senior notes due August 2025 Convertible Senior Notes Due 2025 [Member] Convertible Senior Notes Due 2025 Cost of sales (exclusive of amortization of acquired intangible assets) Total cost of sales Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Outstanding principal balance Debt Instrument, Repaid, Principal Accounts receivable, net Increase (Decrease) in Accounts Receivable Product and Service [Domain] Product and Service [Domain] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Payment term Contingent Consideration, Payment Term Contingent Consideration, Payment Term Deferred tax liabilities Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Termination Date Trading Arrangement Termination Date iovera° DIVESTITURE Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Accrued expenses Total Accrued Liabilities, Current AmacaThera, Inc AmacaThera, Inc [Member] AmacaThera, Inc Fair Value as of Grant Date Award Grant Date Fair Value Repayment of 2025 convertible senior notes Payment of debt Repayments of Convertible Debt Number of offering periods for ESPP Share-Based Compensation Arrangement By Share-based Payment Award, Number Of Purchase Periods Share-Based Compensation Arrangement By Share-based Payment Award, Number Of Purchase Periods Repurchase price percent Debt Instrument, Redemption Price, Percentage Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Remaining available for future purchases Share Repurchase Program, Remaining Authorized, Amount Arrangement Duration Trading Arrangement Duration Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name STOCK PLANS Compensation and Employee Benefit Plans, Other than Share-Based Compensation [Text Block] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] ESPP purchasing period Share-Based Compensation Arrangement By Share-based Payment Award, Purchase Period Share-Based Compensation Arrangement By Share-based Payment Award, Purchase Period Gross Carrying Value Intangible Asset, Finite-Lived, before Accumulated Amortization Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share based compensation vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period Office furniture and equipment Furniture and Fixtures [Member] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Equity Award [Domain] Award Type [Domain] 2026 (remaining three months) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Level 3 Fair Value, Inputs, Level 3 [Member] Expected term of options Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Amortization expense year one Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One Purchase of treasury stock, inclusive of excise tax and broker fees (in shares) Purchase of treasury stock, inclusive of excise tax (in shares) Treasury Stock, Shares, Acquired Share price (in dollars per share) Closing sale price (in dollars per share) Share Price Threshold percentage stock price trigger Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Geographical [Axis] Geographical [Axis] Accrued expenses Increase (Decrease) in Accrued Liabilities Deferred revenue Upfront payment Contract with Customer, Liability Legal Entity [Axis] Legal Entity [Axis] Convertible Notes Receivable Convertible Notes Receivable [Member] Convertible Notes Receivable Total Interest Expense, Debt Liability Class [Axis] Liability Class [Axis] Purchase of treasury stock, inclusive of excise tax and broker fees Purchase of treasury stock, inclusive of excise tax and broker fees Treasury Stock, Value, Acquired, Cost Method Number of major customers Number of Major Customers Represents the number of major customers of the reporting entity. Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Non-NEOs Non-NEOs [Member] Revenue threshold period Disposal Group, Including Discontinued Operation, Contingent Consideration, Revenue Milestone, Period Disposal Group, Including Discontinued Operation, Contingent Consideration, Revenue Milestone, Period Market price of principal amount of notes Debt Instrument, Market Price Debt market price, per $1,000 principal amount. Amortization expense year two Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two Schedule of Total Interest Expense Recognized Related to the Notes Schedule of Interest Expense [Table Text Block] Tabular disclosure of the amount of interest rate expenses related to convertible notes. Schedule of Composition of the Company's Debt and Financing Obligations Schedule of Debt [Table Text Block] Name of Major Customer [Domain] Customer [Domain] Schedule of Components of Inventories Schedule of Inventory, Current [Table Text Block] LEASES Lessee, Operating Leases [Text Block] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Purchase of treasury stock, inclusive of broker fees Payments for Repurchase of Common Stock Statistical Measurement [Axis] Statistical Measurement [Axis] Inducement Plan 2014 Inducement Plan 2014 [Member] Inducement Plan 2014 Award Type [Axis] Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accumulated deficit Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Threshold trading days Debt Instrument, Convertible, Threshold Trading Days Changes in contingent consideration Contingent consideration (gains) charges Changes in the fair value of contingent consideration Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease) Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Shares Common Stock [Member] Excise tax on treasury stock repurchases included in accrued liabilities Share Repurchase Program, Excise Tax, Payable Fair Value Debt Securities, Available-for-Sale Fixed lease costs Operating Lease, Cost Total workforce (in percent) Restructuring and Related Cost, Number of Positions Eliminated, Period Percent Expected dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Outside of the U.S. Non-US [Member] Contractual interest expense Interest Expense, Debt, Excluding Amortization Derivative Contract [Domain] Derivative Contract [Domain] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Foreign currency adjustments Goodwill, Foreign Currency Translation, Gain (Loss) Ownership waiver threshold Business Combination, Ownership Waiver, Threshold, Percent Business Combination, Ownership Waiver, Threshold, Percent Total liabilities and stockholders’ equity Liabilities and Equity Variable lease costs Variable Lease, Cost Stock options Weighted average number of stock options Share-Based Payment Arrangement, Option [Member] Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Term two Debt Conversion Terms Two [Member] Debt Conversion Terms Two Merger-related expenses Restructuring Charges Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Gross deferred tax assets Deferred Tax Assets, Tax Credit Carryforwards, Research Investment Categorization [Domain] Investment Categorization [Domain] Investment Categorization [Domain] Amortization expense year three Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three Income tax receivable Income Taxes Receivable, Current Amortization expense, remainder of fiscal year Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year Other operating (gains) expenses, net Total other operating (gains) expenses, net Other Operating Income (Expense), Net Name Awards Close in Time to MNPI Disclosures, Individual Name Contingent consideration Contingent Consideration, Noncurrent Contingent Consideration, Noncurrent Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Scheduled trading day Debt Instrument, Convertible, Redemption, Trading Days From Maturity Debt Instrument, Convertible, Redemption, Trading Days From Maturity Property, Plant and Equipment, Type [Domain] Long-Lived Asset, Class [Domain] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] 2.125% Convertible senior notes due May 2029 Convertible Senior Notes Due 2029 [Member] Convertible Senior Notes Due 2029 Schedule of Property, Plant and Equipment [Table] Property, Plant, and Equipment [Table] Preferred stock, par value $0.001; 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Revenues: Revenues [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Flexion Flexion Therapeutics, Inc. [Member] Flexion Therapeutics, Inc. Weighted average common shares outstanding: Denominator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Statistical Measurement [Domain] Statistical Measurement [Domain] Document Fiscal Year Focus Document Fiscal Year Focus Acquisition-related expenses Merger-related expenses Business Combination, Acquisition-Related Cost, Expense Legal settlement Litigation Settlement, Loss Number of Stock Units Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Major Customers [Axis] Customer [Axis] Bupivacaine liposome injectable suspension Bupivacaine Liposome Injectable Suspension [Member] Bupivacaine Liposome Injectable Suspension Indemnification holdback release Business Combination, Indemnification Release Business Combination, Indemnification Release Broker fees Share Repurchase Program, Broker Fees Share Repurchase Program, Broker Fees Common stock, par value $0.001; 250,000,000 shares authorized; 48,915,106 shares issued and 39,896,515 shares outstanding at September 30, 2026 and 47,890,777 shares issued and 41,116,739 shares outstanding at December 31, 2025 Common Stock, Value, Issued 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Payment of employee withholding taxes on restricted stock unit vests Payment, Tax Withholding, Share-Based Payment Arrangement EXPAREL EXPAREL [Member] EXPAREL/bupivacaine liposome injectable suspension [Member] Schedule of Long-Term Debt Instruments Schedule of Long-Term Debt Instruments [Table Text Block] Debt Instrument, Convertible Terms Of Conversion [Domain] Debt Instrument, Convertible Terms Of Conversion [Domain] Debt Instrument, Convertible Terms Of Conversion [Domain] Share based compensation service period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period Assets and Liabilities Held for Sale Assets And Liabilities Held For Sale [Policy Text Block] Assets And Liabilities Held For Sale Line of Credit Line of Credit [Member] Schedule of Other Operating (Gains) Expenses, Net Schedule of Other Operating Cost and Expense, by Component [Table Text Block] Restatement Determination Date Restatement Determination Date Amendment Flag Amendment Flag Current liabilities: Liabilities, Current [Abstract] Inventory [Axis] Inventory [Axis] Disposal Group Classification [Axis] Disposal Group Classification [Axis] Interest payment Interest Paid, Including Capitalized Interest, Operating and Investing Activities Pacira CryoTech, Inc, and iovera° Pacira CryoTech, Inc, And iovera° [Member] Pacira CryoTech, Inc, And iovera° Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Largest wholesaler Largest Customer [Member] Represents the largest customer of the entity. Proceeds from shares issued under employee stock purchase plan Proceeds From Shares Issued Under Employee Stock Purchase Plans The cash inflow from shares issued under Employee Stock Purchase Plans. 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Viatris Inc. [Member] Viatris Inc. 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Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Net Unrealized Gain (Loss) From Available-For-Sale Investments AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Schedule of Key Assumptions used in the Valuation of Contingent Consideration Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Net unrealized (loss) gain on investments, net of tax Net unrealized loss on investments, net of tax OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Common stock withheld for employee withholding tax liabilities on vested restricted stock units Common stock withheld for employee tax Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Financial Assets: Receivables, Fair Value Disclosure [Abstract] Schedule of Carrying Amount and Fair Value of the Long-Term Debt Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] Inventory [Domain] Inventory [Domain] Research and development Research and Development Expense Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] GQ Bio Therapeutics GmbH GQ Bio Therapeutics GmbH [Member] 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price of common stock, ESPP (as a percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent EBITDA (in percent) Debt Instrument, Covenant, Incremental Debt, Maximum Percent Debt Instrument, Covenant, Incremental Debt, Maximum Percent Disposal Group Name [Axis] Disposal Group Name [Axis] ESPP Employee stock purchase plan share options Weighted average ESPP share options Employee Stock [Member] Basic net income per common share (in dollars per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Total current assets Assets, Current Insider Trading Arrangements [Line Items] Long-term debt, net Long-Term Debt, Excluding Current Maturities Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Achievement of Milestone [Axis] Achievement of Milestone [Axis] Information by categories of milestones achieved. Gain on divestiture Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Acquisition-related contingent consideration Business Combination, Contingent Consideration, Liability Fair Value Measurement [Domain] Fair Value Measurement [Domain] Debt Instrument, Convertible Terms Of Conversion [Axis] Debt Instrument, Convertible Terms Of Conversion [Axis] Debt Instrument, Convertible Terms Of Conversion Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover page. Cover [Abstract] Excise taxes paid on treasury stock repurchases Share Repurchase Program, Excise Tax Paid Share Repurchase Program, Excise Tax Paid U.K UNITED KINGDOM Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Settlement period - convertible debt conversion request Settlement Period - Convertible Debt Conversion Request The number of trading days in a settlement period for convertible debt conversion requests. iovera° iovera° [Member] iovera° [Member] Percentage of revenue from customers to total revenue Concentration risk Concentration Risk, Percentage Equity Awards Adjustments Equity Awards Adjustments [Member] Indemnification holdback period Business Combination, Indemnification, Period Business Combination, Indemnification, Period Fair Value Measurements Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Other liabilities Increase (Decrease) in Other Operating Liabilities Plan Name [Axis] Plan Name [Axis] Cap price (in dollars per share) Derivative, Capped Call Price Derivative, Capped Call Price Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Accrued selling, general and administrative expenses Accrued Selling, General, And Administrative Expenses Amount of liabilities incurred and payable to vendors for goods and services related to selling, general, and administrative activities. Other, net Other Nonoperating Income (Expense) Amortization expense year five Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Five Current: Short-Term Investments [Member] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Number of notices are filed Loss Contingency, Pending Claims, Number Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Acquired IPR&D In Process Research and Development [Member] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Discontinued Operations and Disposal Groups [Abstract] INCOME TAXES Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Entity Filer Category Entity Filer Category Short-term available-for-sale investments Short-Term Investments Key employee holdback agreement Business Combination, Contingency Recognized at Acquisition Date, Liability Assumed, Fair Value Computer equipment and software Computer Equipment and Software [Member] Long lived, depreciable assets that are used in the creation, maintenance and utilization of information systems. Effective interest rate on total debt (in percent) Debt Instrument, Interest Rate During Period Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Adjusted general and administrative Selling, General And Administrative Adjusted Selling, General And Administrative Adjusted Wells Fargo Bank Wells Fargo Bank, National Association, Credit Agreement [Member] Wells Fargo Bank, National Association, Credit Agreement Offer price of share (in dollars per share) Business Combination, Price Per Share Current assets: Assets, Current [Abstract] LG Chem, Partnership Agreement LG Chem, Partnership Agreement [Member] LG Chem, Partnership Agreement 2025 Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Flexion Acquisition Flexion Acquisition [Member] Flexion Acquisition Right-of-use assets recorded in exchange for lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Income tax expense Income tax expense Income Tax Expense (Benefit) OTHER OPERATING (GAINS) EXPENSES, NET Other Operating Income and Expense [Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] ZILRETTA ZILRETTA [Member] ZILRETTA Payment received Proceeds from Legal Settlements AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Statement [Table] Statement [Table] Proceeds from exercises of stock options Proceeds from Stock Options Exercised Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Interest income Investment Income, Interest