Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Remaining Weighted Average Life (Years) Intangible Asset, Finite-Lived, Remaining Amortization Period Schedule of Intangible Assets, Net Intangible Asset and Goodwill [Table Text Block] Weighted average shares outstanding Weighted Average Number of Shares Outstanding, Diluted [Abstract] Trading Arrangement: Trading Arrangement [Axis] Short-Term Debt, Type [Axis] Short-Term Debt, Type [Axis] Title of 12(b) Security Title of 12(b) Security Subsequent Event Subsequent Event [Member] Numerator for dilutive earnings (loss) per share Net Income (Loss) Available to Common Stockholders, Diluted Document Fiscal Year Focus Document Fiscal Year Focus Adjustment to Compensation, Amount Adjustment to Compensation Amount Financial Instrument [Axis] Financial Instrument [Axis] Number of RSUs Number of PSUs Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Segment Reporting [Abstract] Common stock, $0.001 par value; 130,000,000 shares authorized; 58,164,352 and 57,457,462 shares issued and outstanding as of June 30, 2026 and December 31, 2025, respectively Common Stock, Value, Issued Schedule of Restricted Stock Units Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Employee taxes paid related to net share settlement of equity awards Payment, Tax Withholding, Share-Based Payment Arrangement Accrued compensation, benefits, & related accruals Employee-related Liabilities, Current Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Inventory valuation write-down Inventory Write-down Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Vested and expected to vest (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Cash consideration paid for cash settlement of Sage's equity awards Other Payments to Acquire Businesses Amendment Flag Amendment Flag Consolidated Entities [Axis] Consolidated Entities [Axis] Current liabilities Liabilities, Current [Abstract] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Acquired developed technology and product rights Developed Technology Rights [Member] Noncurrent inventory Inventory, Noncurrent Gross unrealized losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss, Current Number of defendants Loss Contingency, Number of Defendants Biogen Collaboration Agreement Biogen Collaboration Agreement [Member] Biogen Collaboration Agreement Annual Net Sales of ZURZUVAE 2030 Annual Net Sales Of ZURZUVAE 2030 [Member] Annual Net Sales Of ZURZUVAE 2030 Leases [Abstract] Leases [Abstract] Collaborative arrangement, contingent consideration, maximum Collaborative Arrangement, Contingent Consideration, Range Of Outcomes, Maximum, Amount Collaborative Arrangement, Contingent Consideration, Range Of Outcomes, Maximum, Amount Consolidated Entities [Domain] Consolidated Entities [Domain] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Entity Address, State or Province Entity Address, State or Province Number of plaintiff Loss Contingency, Number of Plaintiffs Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross PEO Total Compensation Amount PEO Total Compensation Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Assets: Assets, Fair Value Disclosure [Abstract] Intangible assets, net Intangible Asset, Excluding Goodwill, after Accumulated Amortization Invidior Pharmaceuticals, Inc. Invidior Pharmaceuticals, Inc. [Member] Invidior Pharmaceuticals, Inc. 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Supernus Pharmaceuticals, Inc. [Member] Supernus Pharmaceuticals, Inc. 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Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Additional  Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category GOCOVRI GOCOVRI [Member] GOCOVRI Qelbree Qelbree [Member] Qelbree Rights per share (in dollars per share) Business Combination, Contingent Consideration, Range Of Outcomes, Maximum, Price Per Share Business Combination, Contingent Consideration, Range Of Outcomes, Maximum, Price Per Share Name Trading Arrangement, Individual Name Advertising costs Advertising Expense Selling expenses Selling Expense Cash and cash equivalents Cash and Cash Equivalent VIE, qualitative or quantitative information, ownership percentage Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Operating lease liabilities, current portion, location Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Company Selected Measure Amount Company Selected Measure Amount Sage Acquisition Sage Therapeutics, Inc. [Member] Sage Therapeutics, Inc. 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