Trading Arrangements, by Individual
Trading Arrangements, by Individual [Table]
Trading Arrangement:
Trading Arrangement [Axis]
Maximum
Maximum [Member]
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Title of 12(b) Security
Title of 12(b) Security
Debt Securities, Available-for-Sale [Table]
Debt Securities, Available-for-Sale [Table]
Document Fiscal Year Focus
Document Fiscal Year Focus
RSU, Initial Awards
Restricted Stock Units (RSUs), Initial Awards [Member]
Restricted Stock Units (RSUs), Initial Awards
Adjustment to Compensation, Amount
Adjustment to Compensation Amount
Financial Instrument [Axis]
Financial Instrument [Axis]
Outstanding Restricted Stock Units
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Sale of AFS debt securities
Debt Securities, Available-for-Sale, Sold at Par Value
Common stock, $0.01 par value; 400,000,000 shares authorized as of June 30, 2026 and December 31, 2025; 44,994,373 and 44,086,361 shares issued as of June 30, 2026 and December 31, 2025, respectively; and 33,615,293 and 36,848,301 outstanding as of June 30, 2026 and December 31, 2025, respectively
Common Stock, Value, Issued
2027
2027
Lessee, Operating Lease, Liability, to be Paid, Year One
Payments for taxes related to net share settlement of stock-based compensation awards
Payment, Tax Withholding, Share-Based Payment Arrangement
Compensation & benefits
Employee-related Liabilities, Current
Restatement Determination Date
Restatement Determination Date
Available-for-sale, debt securities credit losses
Debt Securities, Available-for-Sale, Transfer in, Allowance for Credit Loss, Expense
Options 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
Amendment Flag
Amendment Flag
Current liabilities:
Liabilities, Current [Abstract]
Other
Other Sundry Liabilities, Current
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Unrealized Loss
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax
Schedule of Short-term Investments
Debt Securities, Available-for-Sale [Table Text Block]
Leases [Abstract]
Other comprehensive income (loss):
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Adjustment to Non-PEO NEO Compensation Footnote
Adjustment to Non-PEO NEO Compensation Footnote [Text Block]
Schedule of Cash and Cash Equivalents
Schedule of Cash and Cash Equivalents [Table Text Block]
Property, Plant, and Equipment [Abstract]
Entity Address, State or Province
Entity Address, State or Province
Stock options granted (in shares)
Granted (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross
Foreign currency translation adjustment, net of tax of $0 for each of the three and six months ended June 30, 2026 and 2025
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
Beginning balance, outstanding (in shares)
Ending balance, outstanding (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Share Repurchase Program [Domain]
Share Repurchase Program [Domain]
Weighted average common shares outstanding—basic (in shares)
Weighted Average Number of Shares Outstanding, Basic
Vesting Tranche One
Share-Based Payment Arrangement, Tranche One [Member]
Accretion of discounts and amortization of premiums on short-term investments, net
Accretion (Amortization) of Discounts and Premiums, Investments
Outstanding Aggregate Erroneous Compensation Amount
Outstanding Aggregate Erroneous Compensation Amount
Aggregate Intrinsic Value
Share-Based Compensation Arrangement By Share-based Payment Award, Aggregate Intrinsic Value [Abstract]
Share-Based Compensation Arrangement By Share-based Payment Award, Aggregate Intrinsic Value
Number of reportable segments
Number of Reportable Segments
Total current liabilities
Liabilities, Current
2030
2030
Lessee, Operating Lease, Liability, to be Paid, Year Four
Concentration Risk [Table]
Concentration Risk [Table]
Entity Address, City or Town
Entity Address, City or Town
Maximum number of shares that may be issued, annual increase percentage
Share-Based Compensation Arrangement By Share-based Payment Award, Number Of Shares Authorized, Annual Increase Percentage
Share-Based Compensation Arrangement By Share-based Payment Award, Number Of Shares Authorized, Annual Increase Percentage
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]
Internal-use software
Software, Internally Developed and Purchased [Member]
2011 Plan
Option Plan 2011 [Member]
Option Plan 2011
Statement of Financial Position [Abstract]
Title and Position [Domain]
Title and Position [Domain]
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
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Peer Group Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
Sales and other indirect tax contingencies
Sales And Excise Tax Contingencies Payable, Current
Sales And Excise Tax Contingencies Payable, Current
Number of votes per common share
Number of Votes Per Common Share
Number of Votes Per Common Share
Sublease income
Sublease Income
Level 2
Fair Value, Inputs, Level 2 [Member]
Other income, net:
Nonoperating Income (Expense) [Abstract]
Total Shareholder Return Vs Peer Group
Total Shareholder Return Vs Peer Group [Text Block]
Non-Rule 10b5-1 Arrangement Terminated
Non-Rule 10b5-1 Arrangement Terminated [Flag]
2029
Lessor, Operating Lease, Payment to be Received, Year Three
RSU, Annual Awards
Restricted Stock Units (RSUs), Annual Awards [Member]
Restricted Stock Units (RSUs), Annual Awards
Revenue Benchmark
Revenue Benchmark [Member]
UNITED STATES
UNITED STATES
Concentration Risk Type [Axis]
Concentration Risk Type [Axis]
Share-based compensation capitalized
Share-Based Payment Arrangement, Amount Capitalized
2025 Stock Repurchase Program
Stock Repurchase Program, 2025 [Member]
Stock Repurchase Program, 2025
Recently Issued Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Other comprehensive (loss) income
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Schedule of Accrued Expenses
Schedule of Accrued Liabilities [Table Text Block]
Allowance for transaction losses
Accounts Receivable, Allowance For Transaction Loss, Current
Accounts Receivable, Allowance For Transaction Loss, Current
2029
Purchase Obligation, to be Paid, Year Three
Property and Equipment, net
Property, Plant, and Equipment [Text Block]
Schedule of Remaining Operating Lease Payments
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table 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]
Cancelled/Forfeited (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period
Net cash provided by 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]
Preferred stock, outstanding (in shares)
Preferred Stock, Shares Outstanding
2028
2028
Lessee, Operating Lease, Liability, to be Paid, Year Two
Equity
Equity [Text Block]
Security Exchange Name
Security Exchange Name
Treasury stock, at cost; 11,379,080 and 7,238,060 shares as of June 30, 2026 and December 31, 2025, respectively
Treasury Stock, Common, Value
Granted (in dollars per share)
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Unrealized gains on short-term investments, tax
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax
Computer equipment and software
Computer Equipment And Software [Member]
Computer Equipment And Software
Grant date fair value of restricted stock units vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Entity Shell Company
Entity Shell Company
2023 Stock Repurchase Program
Stock Repurchase Program, 2023 [Member]
Stock Repurchase Program, 2023
Maximum shares that may be issued (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized
Operating lease liabilities, current
Operating Lease, Liability, Current
Securities in a continuous unrealized loss position for 12 months or longer
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer
Segment Information
Segment Reporting, Policy [Policy Text Block]
Schedule of Property and Equipment, Net
Property, Plant, and Equipment [Table Text Block]
Statement of Comprehensive Income [Abstract]
Net Loss Per Share
Earnings Per Share [Text Block]
Name
Outstanding Recovery, Individual Name
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]
2027
Purchase Obligation, to be Paid, Year One
Total liabilities
Liabilities
Trading Symbol
Trading Symbol
Total short-term investments
Fair Value
Debt Securities, Available-for-Sale, Excluding Accrued Interest
Geographical [Domain]
Geographical [Domain]
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]
Unrecognized compensation expense
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount
Software in progress
Software, In-Development [Member]
Company Selected Measure Name
Company Selected Measure Name
Purchases of short-term investments
Purchases of short-term investments
Payments to Acquire Debt Securities, Available-for-Sale
Schedule of Restricted Cash
Restrictions on Cash and Cash Equivalents [Table Text Block]
Income Tax Disclosure [Abstract]
Concentration Risk [Line Items]
Concentration Risk [Line Items]
U.S. Government agency securities
US Government Corporations and Agencies Securities [Member]
Cash flows from operating activities:
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Receivables from payment processors and seller accounts
Other Receivables, Net, Current
Compensation Amount
Outstanding Recovery Compensation Amount
Individual:
Individual [Axis]
Weighted average common shares outstanding—diluted (in shares)
Weighted Average Number of Shares Outstanding, Diluted
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]
Underlying Security Market Price Change
Underlying Security Market Price Change, Percent
U.S. Treasury securities
US Treasury Securities [Member]
Vesting percentage
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage
Less: imputed interest
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
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 assets
Increase (Decrease) in Other Noncurrent Assets
Gross profit
Gross Profit
Revenue from Contract with Customer [Abstract]
Lease payments
Operating Lease, Payments
Award Timing Predetermined
Award Timing Predetermined [Flag]
Restricted cash, current
Restricted Cash, Current
Treasury Stock
Treasury Stock, Common [Member]
Aggregate intrinsic value of stock options exercised
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value
Debt Securities, Available-for-Sale [Line Items]
Debt Securities, Available-for-Sale [Line Items]
Adjustment To PEO Compensation, Footnote
Adjustment To PEO Compensation, Footnote [Text Block]
Stock-based compensation
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
Level 1
Fair Value, Inputs, Level 1 [Member]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Total (payments) cash receipts
Total
Lessee, Operating Lease, Liability, to be Paid
Beginning balance, outstanding (in dollars per share)
Ending balance, outstanding (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]
Operating lease liabilities
Increase (Decrease) in Operating Lease Liability
Pension Adjustments Service Cost
Pension Adjustments Service Cost [Member]
Preferred stock, par value (in dollars per share)
Preferred Stock, Par or Stated Value Per Share
Depreciation
Depreciation
Other Current Liabilities
Other Liabilities Disclosure [Text Block]
Maximum number of shares that may be issued, annual increase (in shares)
Share-Based Compensation Arrangement By Share-based Payment Award, Number Of Shares Authorized, Annual Increase, Shares
Share-Based Compensation Arrangement By Share-based Payment Award, Number Of Shares Authorized, Annual Increase, Shares
Vesting [Domain]
Vesting [Domain]
Plan Name [Domain]
Plan Name [Domain]
Antidilutive Securities [Axis]
Antidilutive Securities [Axis]
Beginning balance, outstanding (in dollars per share)
Ending balance, outstanding (in dollars per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Sales and marketing
Selling and Marketing Expense
Operating lease right-of-use assets
Operating Lease, Right-of-Use Asset
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
2030
Contractual Obligation, to be Paid, Year Four
Lease Obligations
Operating Lease, Liability [Abstract]
Schedule of Computation of Basic and Diluted Net Loss Per Share
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Fair Value Disclosures [Abstract]
Payables due to sellers
Payables To Sellers, Current
Payables To Sellers, Current
Short-Term Investments
Investment in Debt and Equity Securities and Other Trading Assets [Text Block]
Maturities of short-term investments
Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale
Minimum
Minimum [Member]
Sublease Cash Receipts
Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Abstract]
Expiration Date
Trading Arrangement Expiration Date
Schedule of Net Revenue by Type of Service
Disaggregation of Revenue [Table Text Block]
Denominator:
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Effect of exchange rate changes on cash, cash equivalents, and restricted cash
Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Income Statement Location [Axis]
Location, Statement of Income, Balance [Axis]
Non-Rule 10b5-1 Arrangement Adopted
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Total cash equivalents
Cash and Cash Equivalents, Fair Value Disclosure
Outstanding
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted-Average Remaining Contractual Term
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]
Options exercisable (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number
Aggregate Pension Adjustments Service Cost
Aggregate Pension Adjustments Service Cost [Member]
Common stock, authorized (in shares)
Common Stock, Shares Authorized
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Antidilutive Security, Excluded EPS Calculation [Table]
Schedule of Restricted Stock Units Activity
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
Exercise Price
Award Exercise Price
Schedule of Restructuring and Related Costs [Table]
Restructuring Cost [Table]
Cash flows from investing activities:
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
2026 Stock Repurchase Program
Stock Repurchase Program, 2026 [Member]
Stock Repurchase Program, 2026
Document Quarterly Report
Document Quarterly Report
2027
Lessor, Operating Lease, Payment to be Received, Year One
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]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Contractual obligation
Total
Contractual Obligation
Restricted Cash and Cash Equivalents [Axis]
Restricted Cash and Cash Equivalents [Axis]
Schedule of Commitments Under Purchase Obligations
Contractual Obligation, Fiscal Year Maturity [Table Text Block]
Schedule of Restructuring Charges
Restructuring and Related Costs [Table Text Block]
Awards Close in Time to MNPI Disclosures, Table
Awards Close in Time to MNPI Disclosures [Table Text Block]
Receivables from payment processors and seller accounts
Increase (Decrease) in Other Receivables
Beginning Balance
Ending Balance
Restructuring Reserve
Equity Component [Domain]
Equity Component [Domain]
PEO Actually Paid Compensation Amount
PEO Actually Paid Compensation Amount
Adoption Date
Trading Arrangement Adoption Date
Total stockholders’ equity
Beginning balance
Ending balance
Equity, Attributable to Parent
Total other income, net
Nonoperating Income (Expense)
Restructuring Type [Axis]
Restructuring Type [Axis]
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
Other Liabilities Disclosure [Abstract]
Maximum shares that may be issued, annual increase, period (in years)
Share-Based Compensation Arrangement By Share-based Payment Award, Number Of Shares Authorized, Annual Increase, Period
Share-Based Compensation Arrangement By Share-based Payment Award, Number Of Shares Authorized, Annual Increase, Period
Restatement does not require Recovery
Restatement Does Not Require Recovery [Text Block]
Total lease liabilities
Operating Lease, Liability
Insider Trading Policies and Procedures [Line Items]
Beginning balance, outstanding (in shares)
Ending balance, outstanding (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
Accrued Expenses
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Accounts receivable, allowance for doubtful accounts
Accounts Receivable, Allowance for Credit Loss, Current
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Adopted [Flag]
Type of Restructuring [Domain]
Type of Restructuring [Domain]
Letter of Credit
Letter of Credit [Member]
Cancelled/Forfeited (in dollars per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Net Income [Text Block]
Stock Options - New Employees
Share-Based Payment Arrangement, Option, New Employees [Member]
Share-Based Payment Arrangement, Option, New Employees
Antidilutive securities excluded from computation of diluted net loss (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Number of operating segments
Number of Operating Segments
Sales of short-term investments
Proceeds from Sale of Short-Term Investments
Restricted stock units outstanding
Restricted stock units
Restricted Stock Units (RSUs) [Member]
Schedule of Antidilutive Securities
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]
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 used in operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Income Statement [Abstract]
Stockholders’ equity:
Equity, Attributable to Parent [Abstract]
Document Transition Report
Document Transition Report
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Operating expenses:
Operating Expenses [Abstract]
Stock Appreciation Rights (SARs)
Stock Appreciation Rights (SARs) [Member]
Fair value of stock options vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value
Schedule of Treasury Stock Purchased Under Stock Repurchase Programs
Share Repurchase Program [Table Text Block]
Share Repurchase Program
Number of
Options
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
City Area Code
City Area Code
Vested restricted stock units converted to common shares, net of shares withheld for employee taxes
Stock Issued During Period, Value, Conversion of Units
Accumulated Other Comprehensive (Loss) Income
AOCI Attributable to Parent [Member]
Geographic Concentration Risk
Geographic Concentration Risk [Member]
All Individuals
All Individuals [Member]
Non-cash operating lease expense
Operating Lease, Right-of-Use Asset, Periodic Reduction
Name
Forgone Recovery, Individual Name
Unrecognized compensation expense, weighted-average period for recognition
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
Operating Lease Payments
Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract]
Preferred stock, issued (in shares)
Preferred Stock, Shares Issued
Common stock reserved for issuance (in shares)
Common Stock, Capital Shares Reserved for Future Issuance
Schedule of Classification of Stock-based Compensation
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
Unrealized Gain
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax
Stock-based compensation
Share-Based Payment Arrangement [Text Block]
2026 (remaining)
Contractual Obligation, to be Paid, Remainder of Fiscal Year
PEO
PEO [Member]
Corporate notes
Corporate Note Securities [Member]
Cash and Cash Equivalents [Domain]
Cash and Cash Equivalents [Domain]
2028
Contractual Obligation, to be Paid, Year Two
Total stock-based compensation expense
Share-Based Payment Arrangement, Expense
Cash Equivalents
Cash Equivalents [Member]
Other liabilities
Other Liabilities, Noncurrent
Goodwill
Goodwill
Increase in common stock available for future issuance (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized
Forgone Recovery due to Violation of Home Country Law, Amount
Forgone Recovery due to Violation of Home Country Law, Amount
Cash, Cash Equivalents, and Restricted Cash
Cash and Cash Equivalents, Policy [Policy Text Block]
Issuance of common stock for exercise of stock options (in shares)
Exercised (in shares)
Exercised (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
Weighted-average grant date fair value of restricted stock units granted (in dollars per share)
Granted (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
Remaining maturity date one year or less
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One
Payables and Accruals [Abstract]
Provision for transaction losses, returns and refunds
Provision For Transaction Losses, Returns And Refunds
Provision For Transaction Losses, Returns And Refunds
Accumulated Deficit
Retained Earnings [Member]
Operating lease liabilities, non-current
Operating Lease, Liability, Noncurrent
Total operating expenses
Operating Expenses
Money market fund
Money Market Funds [Member]
Cancelled (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
Erroneously Awarded Compensation Recovery
Erroneously Awarded Compensation Recovery [Table]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Unrealized (losses) gains on short-term investments, net of tax of $0 for each of the three and six months ended June 30, 2026 and 2025
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
Common stock, outstanding (in shares)
Beginning balance (in shares)
Ending balance (in shares)
Common Stock, Shares, Outstanding
Award Timing Disclosures [Line Items]
Net loss per share—diluted (in dollars per share)
Net loss per share—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
Prepaid expenses and other current assets
Increase (Decrease) in Prepaid Expense and Other Assets
Technology development
Research and Development Expense
Adjustments to reconcile net loss to net cash from operating activities:
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
2024 Stock Repurchase Program
Stock Repurchase Program, 2024 [Member]
Stock Repurchase Program, 2024
Share-Based Payment Arrangement [Abstract]
Cash flows from financing activities:
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
Net revenue
Total net revenue
Revenue from Contract with Customer, Excluding Assessed Tax
Property and equipment, net
Total property and equipment, net
Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization
Other services
Service, Other [Member]
Financial Instruments [Domain]
Financial Instruments [Domain]
Schedule of Rollforward of the Charges and Payments to the Accrued Balance
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]
Annual increase in number of shares that may be issued, term (in years)
Share-Based Compensation Arrangement By Share-based Payment Award, Number Of Shares Authorized, Annual Increase Term
Share-Based Compensation Arrangement By Share-based Payment Award, Number Of Shares Authorized, Annual Increase Term
Repurchase of common stock
Stock Repurchased During Period, Value
Issuance of common stock for exercise of stock options
Stock Issued During Period, Value, Stock Options Exercised
Equity Awards Adjustments, Footnote
Equity Awards Adjustments, Footnote [Text Block]
Underlying Securities
Award Underlying Securities Amount
Revenue Recognition
Revenue from Contract with Customer [Text Block]
Prepaid expenses
Prepaid Expense, Current
Operating lease liabilities, weighted-average discount rate
Operating Lease, Weighted Average Discount Rate, Percent
Shares available for future grants (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant
Maximum percentage of eligible compensation
Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Employee Subscription Rate
Shipping
Accrued Shipping Costs, Current
Accrued Shipping Costs, Current
Title and Position [Axis]
Title and Position [Axis]
Schedule of Lease Expense
Lease, Cost [Table Text Block]
Other current assets
Other Assets, Current
Commitments and Contingencies Disclosure [Abstract]
All Trading Arrangements
All Trading Arrangements [Member]
Schedule of Assets Measured at Fair Value on a Recurring Basis
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
Other Performance Measure, Amount
Other Performance Measure, Amount
Award Timing MNPI Considered
Award Timing MNPI Considered [Flag]
Loss from operations
Operating Income (Loss)
2030
Purchase Obligation, to be Paid, Year Four
Current Fiscal Year End Date
Current Fiscal Year End Date
Non-PEO NEO Average Total Compensation Amount
Non-PEO NEO Average Total Compensation Amount
Repurchase of common stock (in shares)
Stock Repurchased During Period, Shares
Restructuring Reserve [Roll Forward]
Restructuring Reserve [Roll Forward]
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]
Schedule of Short-term Investments By Contractual Maturity
Investments Classified by Contractual Maturity Date [Table Text Block]
Common stock shares purchased for issuance under award plan (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Purchased for Award
Schedule of Stock Option Activity
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Weighted-Average
Exercise
Price
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
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]
Restructuring costs
Restructuring costs
Restructuring Costs
Common stock, issued (in shares)
Common Stock, Shares, Issued
Measure:
Measure [Axis]
Treasury stock, common (in shares)
Treasury stock, common (in shares)
Treasury Stock, Common, Shares
2028
Purchase Obligation, to be Paid, Year Two
Shares available for future grant under the 2021 Plan
2021 Plan
Stock Incentive Plan 2021 [Member]
Stock Incentive Plan 2021
Debt Securities, available-for-sale, continuous unrealized loss position, 12 months or longer, accumulated loss
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
Equity Components [Axis]
Equity Components [Axis]
Accounts receivable
Increase (Decrease) in Accounts Receivable
Product and Service [Domain]
Product and Service [Domain]
Class of Stock [Line Items]
Class of Stock [Line Items]
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Restructuring expenses
Restructuring Reserve, Current
Entity Interactive Data Current
Entity Interactive Data Current
Compensation Actually Paid vs. Other Measure
Compensation Actually Paid vs. Other Measure [Text Block]
Vested restricted stock units converted to common shares, net of shares withheld for employee taxes (in shares)
Stock Issued During Period, Shares, Conversion of Units
Entity Small Business
Entity Small Business
Comprehensive loss
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
2029
2029
Lessee, Operating Lease, Liability, to be Paid, Year Three
Termination Date
Trading Arrangement Termination Date
Property, Plant, and Equipment [Line Items]
Property, Plant, and Equipment [Line Items]
Fair Value, Recurring and Nonrecurring [Table]
Fair Value, Recurring and Nonrecurring [Table]
Restructuring reserve, noncurrent
Restructuring Reserve, Noncurrent
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
Total other current liabilities
Other Liabilities, Current
Expiration period (in years)
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period
Other assets
Other Assets, Noncurrent
Document Type
Document Type
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Accrued expenses
Total accrued expenses
Accrued Liabilities, Current
Fair Value as of Grant Date
Award Grant Date Fair Value
Options exercisable
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value
Pay vs Performance Disclosure, Table
Pay vs Performance [Table Text Block]
Stock repurchase program, remaining authorized repurchase amount
Share Repurchase Program, Remaining Authorized, Amount
Arrangement Duration
Trading Arrangement Duration
Statement of Stockholders' Equity [Abstract]
Other Obligations
Purchase Obligation, Fiscal Year Maturity [Abstract]
Local Phone Number
Local Phone Number
Payables due to sellers
Increase (Decrease) In Payables To Sellers
Increase (Decrease) In Payables To Sellers
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Entity Registrant Name
Entity Registrant Name
Total lease expense
Lease Cost, Excluding Sublease Income
Lease Cost, Excluding Sublease Income
Insider Trading Policies and Procedures Not Adopted
Insider Trading Policies and Procedures Not Adopted [Text Block]
Options vested and expected to vest
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value
Commitments and contingencies (Note 13)
Commitments and Contingencies
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Total property and equipment, gross
Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization
Changed Peer Group, Footnote
Changed Peer Group, Footnote [Text Block]
Accounting Standards Update and Change in Accounting Principle [Table]
Accounting Standards Update and Change in Accounting Principle [Table]
Accounts payable and accrued expenses
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Expense of Enforcement, Amount
Executive Category:
Executive Category [Axis]
Total short-term investments
Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value
Vesting period
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period
Furniture and fixtures
Furniture and Fixtures [Member]
Liabilities and Stockholders’ Equity
Liabilities and Equity [Abstract]
Options exercisable
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted-Average Remaining Contractual Term
2030
Lessor, Operating Lease, Payment to be Received, Year Four
2029
Contractual Obligation, to be Paid, Year Three
Award Type [Domain]
Award Type [Domain]
Non-PEO NEO Average Compensation Actually Paid Amount
Non-PEO NEO Average Compensation Actually Paid Amount
2026 (remaining)
2026 (remaining)
Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year
Fair Value of Financial Instruments
Fair Value Disclosures [Text Block]
Level 3
Fair Value, Inputs, Level 3 [Member]
U.S. Government agency securities
US Government Agencies Debt Securities [Member]
Lessee, operating lease, term of contract (in years)
Lessee, Operating Lease, Term of Contract
PEO Name
PEO Name
Geographical [Axis]
Geographical [Axis]
Leasehold improvements
Leasehold Improvements [Member]
Restricted cash, current
Restricted Cash
Total (payments) cash receipts
Lessor, Operating Lease, Payment to be Received
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
Treasury common stock, value
Treasury Stock, Value, Acquired, Cost Method
Cash payments
Payments for Restructuring
Exercised (in dollars per share)
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Cash, cash equivalents, and restricted cash at beginning of the period
Cash, cash equivalents, and restricted cash at end of the period
Total cash, cash equivalents, and restricted cash
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Professional fees
Accrued Professional Fees, Current
Other
Other Accrued Liabilities, Current
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]
Stock-based compensation expense
Share-Based Payment Arrangement, Noncash Expense
Total lease expense, net
Lease, Cost
Purchase price percentage
Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent
Lessee, lease not yet commenced, renewal term (in years)
Lessee, Operating Lease, Lease Not yet Commenced, Renewal Term
Shares available for future grant under the ESPP
ESPP
Employee Stock [Member]
Leases
Lessee, Operating Leases [Text Block]
Net loss per share—basic (in dollars per share)
Net loss per share—basic (in dollars per share)
Earnings Per Share, Basic
Payments for repurchase 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 [Axis]
Award Type [Axis]
Short-term lease expense
Short-Term Lease, Cost
2026 (remaining)
Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year
Named Executive Officers, Footnote
Named Executive Officers, Footnote [Text Block]
Amortized Cost
Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss
Accounts receivable, net of allowance for doubtful accounts of $75 and $72 at June 30, 2026 and December 31, 2025, respectively
Accounts Receivable, after Allowance for Credit Loss, Current
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Product and Service [Axis]
Product and Service [Axis]
Restricted cash, non-current
Restricted Cash, Noncurrent
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]
Number of reporting units
Goodwill, Reporting Unit, Number
Awards Close in Time to MNPI Disclosures
Awards Close in Time to MNPI Disclosures [Table]
Common Stock
Common Stock [Member]
Operating lease expense
Operating Lease, Cost
Employee Severance
Employee Severance [Member]
Compensation Actually Paid vs. Company Selected Measure
Compensation Actually Paid vs. Company Selected Measure [Text Block]
Cover [Abstract]
Concentration risk, percentage
Concentration Risk, Percentage
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Seller marketplace services
Seller Marketplace Services [Member]
Seller Marketplace Services
Equity Awards Adjustments
Equity Awards Adjustments [Member]
2026 (remaining)
Purchase Obligation, to be Paid, Remainder of Fiscal Year
Realized gains on sale of AFS debt securities
Debt Securities, Available-for-Sale, Realized Gain (Loss)
Total liabilities and stockholders’ equity
Liabilities and Equity
Variable lease expense
Variable Lease, Cost
Options to purchase common stock
Employee Stock Option
Share-Based Payment Arrangement, Option [Member]
Other current liabilities and other liabilities
Increase (Decrease) in Other Operating Liabilities
Additional 402(v) Disclosure
Additional 402(v) Disclosure [Text Block]
Plan Name [Axis]
Plan Name [Axis]
Restructuring expenses
Restructuring Charges
Tabular List, Table
Tabular List [Table Text Block]
Vesting [Axis]
Vesting [Axis]
Additional paid-in capital
Additional Paid in Capital
Sales & use taxes payable
Sales and Excise Tax Payable, Current
Other, net
Other Nonoperating Income (Expense)
Name
Awards Close in Time to MNPI Disclosures, Individual Name
Foreign currency translation adjustment, tax
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Portion Attributable to Parent
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]
Outstanding
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value
Cancelled (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Schedule of Other Current Liabilities
Other Current Liabilities [Table Text Block]
Provision for transaction losses
Provision For Transaction Losses
Provision For Transaction Losses
General and administrative
General and Administrative Expense
Long-Lived Asset, Class [Domain]
Long-Lived Asset, Class [Domain]
Preferred stock, authorized (in shares)
Preferred Stock, Shares Authorized
Property, Plant, and Equipment [Table]
Property, Plant, and Equipment [Table]
Preferred stock, $0.01 par value; 10,000,000 shares authorized as of June 30, 2026 and December 31, 2025; zero shares issued and outstanding as of June 30, 2026 and December 31, 2025
Preferred Stock, Value, Issued
Adjustment to Compensation:
Adjustment to Compensation [Axis]
Share Repurchase Program [Axis]
Share Repurchase Program [Axis]
Restructuring Cost and Reserve [Line Items]
Restructuring Cost and Reserve [Line Items]
Rule 10b5-1 Arrangement Terminated
Rule 10b5-1 Arrangement Terminated [Flag]
Aggregate Erroneous Compensation Amount
Aggregate Erroneous Compensation Amount
Statement of Cash Flows [Abstract]
2027
Contractual Obligation, to be Paid, Year One
Short-term investments
Debt Securities, Available-for-Sale, Excluding Accrued Interest, Current
Schedule of Reserved Shares of Common Stock
Schedule of Stock by Class [Table Text Block]
Aggregate Available
Trading Arrangement, Securities Aggregate Available Amount
Options vested and expected to vest (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
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]
Other, net
Other Noncash Income (Expense)
Bankruptcy proceeding, claim
Bankruptcy Claims, Amount of Claims Filed
Pay vs Performance Disclosure
Pay vs Performance Disclosure [Table]
Additional Paid - In Capital
Additional Paid-in Capital [Member]
Entity Filer Category
Entity Filer Category
Board of Directors
Director [Member]
Name
Trading Arrangement, Individual Name
Total Obligations
Contractual Obligation, Fiscal Year Maturity [Abstract]
Cash and cash equivalents
Cash and Cash Equivalent
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Company Selected Measure Amount
Company Selected Measure Amount
Remaining maturity date greater than one year
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated And Single Maturity Date, After Year One
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated And Single Maturity Date, After Year One
Investments, Debt and Equity Securities [Abstract]
Depreciation and amortization
Depreciation, Depletion and Amortization
Options vested and expected to vest
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term
Schedule of Stock by Class [Table]
Stock, Class of Stock [Table]
Commercial paper
Commercial Paper, Not Included with Cash and Cash Equivalents [Member]
Current assets:
Assets, Current [Abstract]
Operating lease liabilities, weighted-average remaining lease term (in years)
Operating Lease, Weighted Average Remaining Lease Term
Non-PEO NEO
Non-PEO NEO [Member]
Entity Address, Address Line One
Entity Address, Address Line One
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
Provision for income taxes
Provision for income taxes
Income Tax Expense (Benefit)
Cost of revenue
Cost of Product and Service Sold
Total
Purchase Obligation
Award Timing Method
Award Timing Method [Text Block]
Net decrease in cash, cash equivalents, and restricted cash
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]
2028
Lessor, Operating Lease, Payment to be Received, Year Two
Net loss
Net loss
Net Income (Loss) Attributable to Parent
Erroneous Compensation Analysis
Erroneous Compensation Analysis [Text Block]
Statement [Table]
Statement [Table]
Vesting Tranche Two
Share-Based Payment Arrangement, Tranche Two [Member]
Restatement Determination Date:
Restatement Determination Date [Axis]
Proceeds from exercise of stock options
Proceeds from Stock Options Exercised
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Interest income
Investment Income, Interest
Options exercisable (in dollars per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Weighted-Average
Remaining
Contractual
Term (Years)
Share-Based Compensation Arrangement By Share-based Payment Award, Weighted Average Remaining Contractual Term [Abstract]
Share-Based Compensation Arrangement By Share-based Payment Award, Weighted Average Remaining Contractual Term
Cash and Cash Equivalents [Axis]
Cash and Cash Equivalents [Axis]
Basis of Presentation and Summary of Significant Accounting Policies
Basis of Presentation and Significant Accounting Policies [Text Block]
Pension Benefits Adjustments, Footnote
Pension Benefits Adjustments, Footnote [Text Block]
Numerator:
Net Income (Loss) Available to Common Stockholders, Diluted [Abstract]