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Entity Small Business Entity Small Business Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent 2028 Lessee, Operating Lease, Liability, to be Paid, Year Three Termination Date Trading Arrangement Termination Date Headquarters Lease Phase II Headquarters Lease Phase II [Member] Headquarters Lease Phase II Amortization period Intangible Asset, Finite-Lived, Acquired, Weighted-Average Amortization Period Conversion Instance, 98% Conversion Instance, 98% [Member] Conversion Instance, 98% [Member] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other current liabilities Other Liabilities, Current United States Government-sponsored enterprises US Government-sponsored Enterprises Debt Securities [Member] Other long-term assets Other Assets, Noncurrent Interest income and other income, net Interest Income And Other Income (Expense), Net Interest Income And Other Income (Expense), Net Document Type Document Type Accrued expenses Accrued Liabilities, Current Fair Value as of Grant Date Award Grant Date Fair Value Redemption price percentage Debt Instrument, Redemption Price, Percentage Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Acquired in-process research and development expenses Acquired in-process research and development expenses Research and Development Asset Acquired in Transaction Other than Business Combination or Joint Venture Formation, Writeoff Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Deferred revenue - long-term Contract with Customer, Liability, Noncurrent Work-in-process Inventory, Work in Process, Gross Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Settlement of debt Payment for Debt Extinguishment or Debt Prepayment Cost Loss before income taxes Income (loss) before taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies (Note 14) Commitments and Contingencies Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Loss from equity method investment Loss from equity method investment Income (Loss) from Equity Method Investments Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Schedule of Restricted Stock Units Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Estimated Fair Value Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value Capped call transactions net cost Debt Instrument, Capped Call, Net Cost Debt Instrument, Capped Call, Net Cost Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Acquisition of in-process research and development Payments to Acquire in Process Research and Development Common Stock Warrant Expiring March 2027 Common Stock Warrant Expiring March 2027 [Member] Common Stock Warrant Expiring March 2027 [Member] Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Inventories Total inventories Inventory, Net Award Type [Domain] Award Type [Domain] Convertible Senior Notes Due 2032 Convertible Senior Notes Due 2032 [Member] Convertible Senior Notes Due 2032 Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Summary of significant accounting policies. Warrants outstanding (in shares) Class of Warrant or Right, Outstanding CeQur SA CeQur SA [Member] CeQur SA Fair Value Measurements Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Balance at beginning of the period Balance at end of the period Total warranty reserve Standard and Extended Product Warranty Accrual United States Government-sponsored enterprises US Government Agencies Debt Securities [Member] Supplemental disclosures of cash flow information Supplemental Cash Flow Information [Abstract] Expected term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Shares authorized for future equity award grants Authorized For Future Option Grants [Member] Authorized for future option grants. Lease term Lessee, Operating Lease, Term of Contract PEO Name PEO Name Debt instrument, convertible, threshold percentage of stock price trigger Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Geographical Geographical [Axis] Income taxes (refunded) paid Income Tax Paid, before Refund Received Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss [Roll Forward] Total interest expense Interest Expense, Debt Purchases of equity investments, strategic investments, and intangible assets Payments To Acquire Intangible Assets And Strategic Investments Payments To Acquire Intangible Assets And Strategic Investments Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Accounts payable Increase (Decrease) in Accounts Payable Settlements made during the period Standard and Extended Product Warranty Accrual, Decrease for Payments Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Proceeds from maturities and redemptions of short-term investments Proceeds from Maturities, Prepayments and Calls of Short-Term Investments Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Organization and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Debt Instrument [Axis] Debt Instrument [Axis] Intangible costs in other long-term liabilities Intangible Costs In Other Current And Other Long-Term Liabilities Intangible Costs In Other Current And Other Long-Term Liabilities Foreign exchange losses Gain (Loss), Foreign Currency Transaction, after Tax Payments of cash Payments to Acquire Businesses, Gross Equity method investment, ownership percentage (less than) Equity Method Investment, Ownership Percentage Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Total lease cost Lease, Cost Loss on lease termination and right-of-use asset impairment charges Gain (Loss) On Termination Of Lease And Operating Lease, Impairment Loss Gain (Loss) On Termination Of Lease And Operating Lease, Impairment Loss Sales Channel, Pharmacy Sales Channel, Pharmacy [Member] Sales Channel, Pharmacy Awards granted under the ESPP Awards to be granted under the ESPP Employee Stock [Member] Convertible Senior Notes Convertible Senior Notes [Member] Convertible Senior Notes [Member] Investment, Name [Domain] Investment, Name [Domain] Schedule 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] Net loss per share - basic (in dollars per share) Earnings Per Share, Basic Raw materials Inventory, Raw Materials, Gross Deferred revenue Contract with Customer, Liability, Current Total current assets Assets, Current Range [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Long-term senior convertible notes Long-Term Debt, Excluding Current Maturities Schedule of the Effect of Foreign Currency Forward Contracts Designated as Hedging Instruments Derivative Instruments, Gain (Loss) [Table Text Block] Award Type [Axis] Award Type [Axis] Short-term lease cost Short-Term Lease, Cost One to Two Years Debt Securities, Available-For-Sale, Fair Value, Maturity, Allocated And Single Maturity Date, After Year One Through Two Debt Securities, Available-For-Sale, Fair Value, Maturity, Allocated And Single Maturity Date, After Year One Through Two Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Accumulated deficit Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Debt instrument, convertible, threshold trading days Debt Instrument, Convertible, Threshold Trading Days Unrealized gain (loss) on cash flow hedges Unrealized gain (loss) on cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent 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] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Estimated Fair Value Available-for-sale securities Debt Securities, Available-for-Sale Cash Cash Equivalents And Short Term Investments [Line Items] Cash Cash Equivalents And Short Term Investments [Line Items] Cash cash equivalents and short term investments. Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Operating lease cost (excluding sublease income) Operating Lease, Cost Litigation and settlement expense Litigation Settlement, Fee Expense Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] International Non-US [Member] Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Contractual interest expense Interest Expense, Debt, Excluding Amortization Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Concentration risk Concentration Risk, Percentage Concentration Risk Benchmark Concentration Risk Benchmark [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Accounts Receivable Receivable [Policy Text Block] Equity Awards Adjustments Equity Awards Adjustments [Member] Schedule of Convertible Senior Notes Convertible Debt [Table Text Block] Total liabilities and stockholders’ equity Liabilities and Equity Debt instrument, initial cap price per share (in dollars per share) Option Indexed To Issuers Equity, Cap Price Option Indexed To Issuers Equity Cap Price Options to purchase common stock Share-based Payment Arrangement, Option Share-Based Payment Arrangement, Option [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Schedule of Accounts Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Tabular List, Table Tabular List [Table Text Block] Other long-term liabilities Increase (Decrease) in Other Noncurrent Liabilities Total other income (expense), net Other Nonoperating Income (Expense) Number of installment terms Litigation Settlement, Number of Installment Terms Litigation Settlement, Number of Installment Terms Name Awards Close in Time to MNPI Disclosures, Individual Name Insulin Pump Insulin Pump [Member] Insulin pump. 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] Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Adjustment to Compensation: Adjustment to Compensation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Hedging Designation [Axis] Hedging Designation [Axis] Foreign exchange forward contracts Foreign Exchange Forward [Member] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total assets Assets, Fair Value Disclosure Equity Method Investments Investment, Policy [Policy Text Block] Revenue, Product and Service Benchmark Revenue, Product and Service Benchmark [Member] Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] 2030 Lessee, Operating Lease, Liability, to be Paid, Year Five Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Additional Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Short-term investments Short-Term Investments Price of acquisition, expected Asset Acquisition, Price of Acquisition, Expected Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Stock-Based Compensation Compensation Related Costs, Policy [Policy Text Block] Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Investments, Debt and Equity Securities [Abstract] Depreciation and amortization expense Depreciation, Depletion and Amortization Two to Three Years Debt Securities, Available-For-Sale, Fair Value, Maturity, Allocated And Single Maturity Date, After Year Two Through Three Debt Securities, Available-For-Sale, Fair Value, Maturity, Allocated And Single Maturity Date, After Year Two Through Three Other long-term liabilities Product Warranty Accrual, Noncurrent Amortization of discount or (accretion of premium) on short-term investments Investment Income, Net, Amortization of Discount and Premium Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Current assets: Assets, Current [Abstract] Debt Conversion, Name [Domain] Debt Conversion, Name [Domain] Weighted-average remaining lease term (in years) Operating Lease, Weighted Average Remaining Lease Term Foreign exchange forward contracts Derivative Liability Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Operating lease right-of-use assets obtained in exchange for operating lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Income tax expense (benefit) Income Tax Expense (Benefit) Customer Concentration Risk Customer Concentration Risk [Member] Cost of sales Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Net decrease in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Research and development Research and Development Expense (Excluding Acquired in Process Cost) Net loss Net loss Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Number of shares issued by each warrant (in shares) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Principal amount Debt Conversion, Converted Instrument, Amount Settlement agreement Litigation Settlement, Amount Awarded to Other Party Operating Lease Right-of-Use Assets and Liabilities Lessee, Leases [Policy Text Block] Debt instrument, convertible, threshold trading days consecutive trading days Debt Instrument, Convertible, Threshold Consecutive Trading Days Warranty Reserve Standard Product Warranty, Policy [Policy Text Block] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Shares authorized for issuance pursuant to awards granted under the ESPP Share-Based Payment Arrangement [Member] Schedule of Shares of Common Stock Reserved for Future Issuance Schedule Of Common Stock Reserved For Future Issuance [Table Text Block] Schedule of common stock reserved for future issuance. Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract]