Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Weighted-average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Title of 12(b) Security Title of 12(b) Security Document Fiscal Year Focus Document Fiscal Year Focus Operating lease, discount rate Lessee, Operating Lease, Discount Rate Adjustment to Compensation, Amount Adjustment to Compensation Amount Segment Reporting [Abstract] Common stock Common Stock, Value, Issued Payment of taxes withheld upon vesting of restricted stock Payment, Tax Withholding, Share-Based Payment Arrangement Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss Amendment Flag Amendment Flag Current Liabilities: Liabilities, Current [Abstract] Average cost per share (in dollars per share) Shares Acquired, Average Cost Per Share Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Developed technology Developed Technology Rights [Member] Property and equipment Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment Leases [Abstract] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Property, Plant, and Equipment [Abstract] Entity Address, State or Province Entity Address, State or Province Unrealized loss on foreign currency translation Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent PEO Total Compensation Amount PEO Total Compensation Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Intangible assets, net Intangible Asset, Excluding Goodwill, after Accumulated Amortization Outstanding, beginning balance (in shares) Outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Number of reportable segments Number of Reportable Segments Total current liabilities Liabilities, Current Income before income taxes Income (Loss) Attributable to Parent, before Tax Series A Common Stock Series A Common Stock [Member] Series A Common Stock Customer relationships Customer Relationships [Member] Concentration Risk [Table] Concentration Risk [Table] Entity Address, City or Town Entity Address, City or Town Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Statement of Financial Position [Abstract] Document Information [Line Items] Document Information [Line Items] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Unaudited Interim Financial Information Basis of Accounting, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net income attributable to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Accounts receivable, gross Accounts Receivable, before Allowance for Credit Loss Proceeds from employee stock purchase plan Proceeds from Stock Plans Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Useful Life at Acquisition (in years) Acquired Finite-Lived Intangible Assets, Useful Life Acquired Finite-Lived Intangible Assets, Useful Life Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Revenue Benchmark Revenue Benchmark [Member] U.S. UNITED STATES Issuance of Series A common stock upon vesting of RSUs (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Concentration Risk Type [Axis] Concentration Risk Type [Axis] Recently Adopted Accounting Pronouncements And Recent Accounting Pronouncements Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Earnings per share Earnings Per Share, Policy [Policy Text Block] Land Land [Member] Schedule of Financial Information for Single Operating and Reportable Segment Segment Reporting [Table Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Total other comprehensive loss Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Business Combination, Goodwill, Reportable Segment Assignment [Line Items] Business Combination, Goodwill, Reportable Segment Assignment [Line Items] Property and Equipment, net Property, Plant, and Equipment [Text Block] Document Period End Date Document Period End Date Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Compensation expense Compensation Expense, Excluding Cost of Good and Service Sold Stockholders' Equity Equity [Text Block] Operating expenses: Costs and Expenses [Abstract] Security Exchange Name Security Exchange Name Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Operating lease liabilities, current Operating Lease, Liability, Current Schedule of Property and Equipment Property, Plant, and Equipment [Table Text Block] Statement of Comprehensive Income [Abstract] Name Outstanding Recovery, Individual Name Net earnings per share attributable to common stockholders (Note 2): Net earnings per share attributable to common stockholders: Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Total liabilities Liabilities Trading Symbol Trading Symbol Geographical [Domain] Geographical [Domain] Business Combination, Goodwill, Reportable Segment Assignment [Table] Business Combination, Goodwill, Reportable Segment Assignment [Table] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Weighted-average shares outstanding: Weighted Average Number of Shares Outstanding, Basic [Abstract] Schedule of Assets Acquired and Liabilities Assumed Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Company Selected Measure Name Company Selected Measure Name Sale of Stock [Domain] Sale of Stock [Domain] Income Tax Disclosure [Abstract] Concentration Risk [Line Items] Concentration Risk [Line Items] Commitment fee percentage Line of Credit Facility, Commitment Fee Percentage Credit Facility [Domain] Credit Facility [Domain] Depreciation and amortization expense related to property and equipment Depreciation, Depletion and Amortization, Nonproduction Non-competition agreements Noncompete Agreements [Member] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Business acquisition percentage Business Combination, Voting Equity Interest Acquired, Percentage Diluted (in shares) Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Total identifiable net assets Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) Line of Credit Facility [Table] Line of Credit Facility [Table] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Other non-current assets Increase (Decrease) in Other Noncurrent Assets Dilutive awards (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Cash payments included in operating cash flows for lease arrangements Operating Lease, Payments Award Timing Predetermined Award Timing Predetermined [Flag] Conversion ratio (in shares) Conversion Of Stock, Conversion Ratio Conversion Of Stock, Conversion Ratio Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] ROI Hunter and iDesign ROI Hunter And iDesign Technology USA LLC ("iDesign") [Member] ROI Hunter And iDesign Technology USA LLC ("iDesign") Stock-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Effective tax rates (in percent) Effective Income Tax Rate Reconciliation, Percent Organization, Consolidation and Presentation of Financial Statements [Abstract] Outstanding, weighted-average grant date fair value, beginning (in dollars per share) Outstanding, weighted-average grant date fair value, ending (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value All Executive Categories All Executive Categories [Member] Repurchase of common stock Repurchase of common stock Stock Repurchased and Retired During Period, Value Operating leases, net Increase (Decrease) in Operating Lease Liability Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Other comprehensive loss: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Sales and marketing Selling and Marketing Expense Concentration Risk Type [Domain] Concentration Risk Type [Domain] Restricted Stock Units (RSUs), Cash-Settled Restricted Stock Units (RSUs), Cash-Settled [Member] Restricted Stock Units (RSUs), Cash-Settled Technology Information Technology and Data Processing Schedule of Computation of Earnings per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Fair value of total consideration transferred Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Segment Information Segment Reporting [Text Block] Outstanding balance Long-Term Line of Credit Minimum Minimum [Member] Expiration Date Trading Arrangement Expiration Date Schedule of Disaggregation of Revenue by Source of Revenue Disaggregation of Revenue [Table Text Block] Location, Statement of Income, Balance [Axis] Location, Statement of Income, Balance [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Deferred acquisition consideration Business Combination, Consideration Transferred, Liabilities Incurred Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Accounts receivable Business Combination, Recognized Asset Acquired, Receivable, Current Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Sale of stock (in shares) Sale of Stock, Number of Shares Issued in Transaction Exercise Price Award Exercise Price Segment Reporting [Line Items] Segment Reporting [Line Items] Authorized amount Share Repurchase Program, Authorized, Amount Document Quarterly Report Document Quarterly Report Common stock, average purchase price (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Per Share Weighted Average Price of Shares Purchased Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segments [Domain] Segments [Domain] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Effect of exchange rates on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss Credit Facilities Debt Disclosure [Text Block] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Total operating expenses Costs and Expenses Adoption Date Trading Arrangement Adoption Date Total stockholders' equity Beginning balance Ending balance Equity, Attributable to Parent Other non-current assets Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent Assets Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Insider Trading Policies and Procedures [Line Items] Goodwill, measurement period adjustment Goodwill, Measurement Period Adjustment Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Sales, general and administrative Selling, General and Administrative Expense Deferred income taxes Deferred Income Tax Expense (Benefit) Business Combination [Domain] Business Combination [Domain] Interest income, net Interest income, net Interest Income (Expense), Nonoperating 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] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Number of operating segments Number of Operating Segments Antidilutive instruments excluded from diluted EPS (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount RSUs Restricted Stock Units (RSUs) [Member] Schedule of Antidilutive Instruments Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Entity Central Index Key Entity Central Index Key Less: accumulated depreciation and amortization Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization All Adjustments to Compensation All Adjustments to Compensation [Member] Business Combination [Axis] Business Combination [Axis] 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] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Sale of stock, underwriters option Sale of Stock, Underwriters Option, Term Sale of Stock, Underwriters Option, Term Stockholders' equity: Equity, Attributable to Parent [Abstract] Income Statement [Abstract] Common stock issued for ESPP purchases (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Document Transition Report Document Transition Report Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Schedule of Long-Lived Tangible Assets and Operating Lease Right-Of-Use-Assets by Geographic Region Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table Text Block] Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Other receivables Other Receivables [Member] Other Receivables City Area Code City Area Code Accumulated Other Comprehensive (Loss) Income AOCI Attributable to Parent [Member] Geographic Concentration Risk Geographic Concentration Risk [Member] Document Information [Table] Document Information [Table] All Individuals All Individuals [Member] Schedule of Disaggregation of Revenue by Geography Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue [Table Text Block] Name Forgone Recovery, Individual Name Weighted-average remaining requisite service period (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted-Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Statement [Line Items] Statement [Line Items] Total assets Assets Other online marketplaces and channels Other Online Marketplaces And Channels [Member] Other Online Marketplaces And Channels Preferred Stock, beginning balance (in shares) Preferred Stock, ending balance (in shares) Preferred Stock, Shares Issued Schedule of Stock-Based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Common stock issued for ESPP purchases Stock Issued During Period, Value, Employee Stock Purchase Plan PEO PEO [Member] Total stock-based compensation Share-Based Payment Arrangement, Expense Repurchase of common stock (in shares) Repurchase of common stock (in shares) Stock Repurchased and Retired During Period, Shares Other non-current liabilities Other Liabilities, Noncurrent Series B Common Stock Series B Common Stock [Member] Series B Common Stock Goodwill Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Granted, weighted-average grant date fair value (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Accounts payable Business Combination, Recognized Liability Assumed, Accounts Payable, Current Retained Earnings Retained Earnings [Member] Operating lease liabilities, non-current Operating Lease, Liability, Noncurrent Revolving Credit Facility Revolving Credit Facility [Member] Cancelled/Forfeited, weighted-average grant date fair value (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 Series A Preferred Stock Series A Preferred Stock [Member] Cash and cash equivalents Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent Internal-use software Software, In-Development, Internally Developed, and Purchased [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Diluted (in dollars per share) Earnings Per Share, Diluted 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 Tax withholding upon vesting of employee stock awards Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Schedule of Consideration Paid Business Combination [Table Text Block] 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] Amazon.com Amazon.com [Member] Amazon.com Acquisition Date Fair Value Intangible Asset, Finite-Lived, Acquired Share-Based Payment Arrangement [Abstract] Property and equipment, net Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Revenues Revenues Revenue from Contract with Customer, Excluding Assessed Tax Amount available to draw Line of Credit Facility, Remaining Borrowing Capacity Number of votes for common stock (in vote) Common Stock, Number Of Votes Common Stock, Number Of Votes Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Over-Allotment Option Over-Allotment Option [Member] Preferred Stock Preferred Stock [Member] Inventory Increase (Decrease) in Inventories iDesign iDesign Technology USA LLC ("iDesign") [Member] iDesign Technology USA LLC ("iDesign") SaaS, logistics and other revenue SaaS, Logistics And Other Revenue [Member] SaaS, Logistics And Other Revenue Segment Reporting [Table] Segment Reporting [Table] Computer equipment Computer Equipment [Member] Sale of Stock [Axis] Sale of Stock [Axis] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Schedule of Supplemental Cash Flow Information Related to Operating Leases Lease, Cost [Table Text Block] Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating income Operating Income (Loss) Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Business Acquisitions Business Combination [Text Block] Long-lived tangible assets and operating lease right-of-use-assets Long-Lived Asset, Excluding Financial Instrument, Customer Relationship, Mortgage Servicing Right, Deferred Policy Acquisition Cost, and Deferred Tax Asset, Amount Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Common stock, shares issued (in shares) Common Stock, beginning balance (in shares) Common Stock, ending balance (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Equity Components [Axis] Equity Components [Axis] Accounts receivable, net of allowance Increase (Decrease) in Accounts Receivable Brand partner receivables Brand Partner Receivables [Member] Brand Partner Receivables Product and Service [Domain] Product and Service [Domain] Class of Stock [Line Items] Class of Stock [Line Items] Cash paid for income taxes Income Tax Paid, after Refund Received Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Entity Interactive Data Current Entity Interactive Data Current Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Credit Agreement Credit Agreement [Member] Credit Agreement Termination Date Trading Arrangement Termination Date Property, Plant, and Equipment [Line Items] Property, Plant, and Equipment [Line Items] Intangible assets Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived 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 Number of classes of common stock (in class of common stock) Common Stock, Number Of Class Of Stock Common Stock, Number Of Class Of Stock Other non-current assets Other Assets, Noncurrent Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Document Type Document Type Accrued expenses Accrued Liabilities, Current Fair Value as of Grant Date Award Grant Date Fair Value Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Remaining authorized, amount Share Repurchase Program, Remaining Authorized, Amount Arrangement Duration Trading Arrangement Duration Schedule of RSU Activity Share-Based Compensation Arrangements by Share-Based Payment Award, Restricted Stock Units, Vested and Expected to Vest [Table Text Block] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Entity Address, Postal Zip Code Entity Address, Postal Zip Code Registrant Name Entity Registrant Name Fulfillment Fulfillment Expense Fulfillment Expense Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies (Note 10) Commitments and Contingencies Total property and equipment Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Assets under construction Asset under Construction [Member] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Machinery and equipment Machinery and Equipment [Member] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Furniture and fixtures Furniture and Fixtures [Member] Liabilities and Stockholders' Equity Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Tradenames Trade Names [Member] Convertible Preferred, beginning balance Convertible Preferred, ending balance Temporary Equity, Carrying Amount, Attributable to Parent Amazon marketplaces, international Amazon Marketplaces, International [Member] Amazon Marketplaces, International Inventory Inventory, Net All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Operating lease, initial term Lessee, Operating Lease, Term of Contract PEO Name PEO Name Geographical [Axis] Geographical [Axis] Accrued expenses Increase (Decrease) in Accrued Liabilities Leasehold improvements Leasehold Improvements [Member] Convertible Preferred, beginning balance (in shares) Convertible Preferred, ending balance (in shares) Temporary Equity, Shares Issued Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Cash and cash equivalents at beginning of the period Cash and cash equivalents at end of the period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Accounts payable Increase (Decrease) in Accounts Payable ROI Hunter ROI Hunter [Member] ROI Hunter Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code 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] Description of Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Debt Instrument [Axis] Debt Instrument [Axis] Cash Payments to Acquire Businesses, Gross Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Share-based compensation and related taxes Labor and Related Expense Marketplace commissions Marketplace Commissions Marketplace Commissions Employee Stock Employee Stock [Member] Reportable And Operating Segment Reportable And Operating Segment [Member] Reportable And Operating Segment Operating Leases Lessee, Operating Leases [Text Block] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in dollars per share) Earnings Per Share, Basic Repurchases of common stock Payments for Repurchase of Common Stock Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Award Type Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net of allowance Accounts Receivable, after Allowance for Credit Loss, Current Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] 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] Significant expenses: Significant Expenses [Abstract] Significant Expenses Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] International Non-US [Member] Series B Preferred Stock Series B Preferred Stock [Member] Concentration risk (more than) Concentration Risk, Percentage Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Equity Awards Adjustments Equity Awards Adjustments [Member] Total liabilities and stockholders' equity Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] 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] Accrued liabilities Business Combination, Recognized Liability Assumed, Accrued Liability, Current Business Combination, Recognized Liability Assumed, Accrued Liability, Current Segments [Axis] Segments [Axis] Other liabilities Increase (Decrease) in Other Operating Liabilities Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Schedule of Accounts Receivable, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Other income (expense), net Other (income) expense, net Other Nonoperating Income (Expense) Name Awards Close in Time to MNPI Disclosures, Individual Name 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] Cancelled/Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Operations, general and administrative General and Administrative Expense Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] Sale of stock (in usd per share) Sale of Stock, Price Per Share Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Adjustment to Compensation: Adjustment to Compensation [Axis] Schedule of Identifiable Intangible Assets Acquired and Estimated Useful Lives Business Combination, Intangible Asset, Acquired, Finite-Lived [Table Text Block] Class of Stock [Domain] Class of Stock [Domain] Secondary Offering Secondary Offering [Member] Secondary Offering Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Statement of Cash Flows [Abstract] Adjustments to net income attributable to common stockholders (Note 2) Undistributed Earnings, Preferred Stock Dividends, and Other Adjustments Undistributed Earnings, Preferred Stock Dividends, and Other Adjustments Income allocable to participating Series A Preferred Stock and Series B Preferred Stock dividend - undeclared Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Name Measure Name Provision for Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Other Other Noncash Income (Expense) Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Fair value of total consideration transferred Business Combination, Consideration Transferred Additional Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Name Trading Arrangement, Individual Name Unrecognized stock-based compensation expense Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Cash and cash equivalents Cash and Cash Equivalent Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Depreciation and amortization Depreciation, Depletion and Amortization Entity Address, Address Line Two Entity Address, Address Line Two Accounts and Financing Receivables [Table] Accounts and Financing Receivables [Table] Stock, Class of Stock [Table] Stock, Class of Stock [Table] Current Assets: Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Right-of-use assets obtained in exchange for new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Vested, weighted-average grant date fair value (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 Provision for income taxes Income tax expense (benefit) Income Tax Expense (Benefit) Cost of goods sold Cost of Product and Service Sold Future payments under non-cancelable purchase obligations Purchase Obligation Award Timing Method Award Timing Method [Text Block] Net change 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] Deferred tax liabilities Business Combination, Recognized Liability Assumed, Deferred Tax Liability Net income Net income Net income 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] Other property and equipment Property, Plant and Equipment, Other Types [Member] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Issuance of Series A common stock upon vesting of RSUs Stock Issued During Period, Value, Restricted Stock Award, Gross RSUs Restricted Stock Units (RSUs), Excluding Executive Incentive Agreement [Member] Restricted Stock Units (RSUs), Excluding Executive Incentive Agreement Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Prepaid expenses and other Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Current