Supplemental cash flow data: Supplemental Cash Flow Information [Abstract] Asset Acquisition [Axis] Asset Acquisition [Axis] Letter of Credit Letter of Credit [Member] Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period State Current State and Local Tax Expense (Benefit) Acquired trade names and trademarks Trade names & trademarks Trademarks and Trade Names [Member] Merger integration Business Combination, Integration Related Costs Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Leasehold Improvements Leasehold improvements Leasehold Improvements [Member] Net income (loss) Net income (loss) Net Income (Loss) Attributable to Parent 2025 Asset Acquisition, Consideration, To Be Paid, Year Three Asset Acquisition, Consideration, To Be Paid, Year Three Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Net operating loss carryforward Deferred Tax Assets, 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Relationship [Member] Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Impairment of long-lived assets to be disposed of Impairment of Long-Lived Assets to be Disposed of Increases as a result of tax positions taken during a prior period Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Antidilutive securities excluded from computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Deferred revenue Contract with Customer, Liability, Revenue Recognized Sale of Stock [Axis] Sale of Stock [Axis] Liability Class [Axis] Liability Class [Axis] Subsequent Events [Abstract] Luum Acquisition Luum Acquisition [Member] Luum Acquisition Deferred tax assets, net of valuation allowance Deferred Tax Assets, Net of Valuation 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amortization of loans, percentage of principal amount Debt Instrument, Periodic Repayments, Percentage Of Principal Amount Debt Instrument, Periodic Repayments, Percentage Of Principal Amount Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Local Phone Number Local Phone Number Credit Facility [Domain] Credit Facility [Domain] Gains on equity securities Gain (Loss) on Sale of Investments Assets Assets [Abstract] 2025 Long-Term Debt, Maturity, Year Three Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Vested and expected to vest (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Other long-term liabilities Increase (Decrease) in Other Noncurrent Liabilities Performance units awards (in shares) Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Intangible assets and goodwill Goodwill and Intangible Assets Disclosure [Text Block] Preferred stock, $0.0001 par value, 100,000 shares authorized, no shares issued and outstanding as of January 31, 2022 and 2021 Preferred Stock, Value, Issued Finite-lived intangible assets, acquired Acquire rights to act Finite-lived Intangible Assets Acquired Property and equipment Property, Plant and Equipment, Policy [Policy Text Block] Term Loan Facility Credit Agreement [Member] Credit Agreement New Accounting Pronouncements or Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Opening balance (in shares) Ending balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Total non-cash stock-based compensation expense Total Non cash Share Based Payment Arrangement Expense [Member] Total Non cash Share Based Payment Arrangement Expense Acquired trade names Trade Names [Member] Accumulated earnings Retained Earnings [Member] Debt Instrument [Axis] Debt Instrument [Axis] Operating lease not yet commenced term of contract Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract Fraction of awards modified Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Remaining Modified, Ratio Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Remaining Modified, Ratio Long-term liabilities Liabilities, Noncurrent [Abstract] Right-of-use assets Deferred Tax Liabilities, Leasing Arrangements Commitments and contingencies Commitments and Contingencies Disclosure [Text Block] Prior to October 1, 2024 Debt Instrument, Redemption, Period Four [Member] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Term Loan Facility Secured Debt [Member] Accounts receivable Increase (Decrease) in Accounts Receivable Total consideration paid, adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred Purchases of property and equipment included in accounts payable or accrued liabilities Capital Expenditures Incurred but Not yet Paid Number of derivative lawsuits Loss Contingency Number Of Lawsuits Loss Contingency Number Of Lawsuits Right-of-use assets obtained in exchange for lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Schedule of Pro Forma Information Business Acquisition, Pro 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Employee-Related Liabilities, Current [Member] Employee-Related Liabilities, Current [Member] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Tax Period [Domain] Tax Period [Domain] Other expense, net Other Nonoperating Income (Expense) [Member] Basic (in usd per share) Earnings Per Share, Basic Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] 2025 Lessee, Operating Lease, Liability, to be Paid, Year Three Sublease income Sublease Income Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Five Balance as of January 31, 2021 Balance as of January 31, 2022 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value 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 2023 Long-Term Debt, Maturity, Year One Beginning balance, maximum (in usd per share) Ending balance, maximum (in usd per share) Share-Based Compensation, Shares Authorized Under Stock Option Plans, Exercise Price Range, Upper Range Limit, Outstanding Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit, Outstanding Total consideration paid Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Exercised, maximum (in usd per share) Share-Based Compensation, Shares Authorized Under Stock Option Plans, Exercise Price Range, Upper Range Limit, Exercised Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit, Exercised 2027 Long-Term Debt, Maturity, Year Five Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Capitalized contract cost Capitalized Contract Cost, Net Number of share authorized (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Net deferred tax asset (liability) Deferred Tax Liabilities, Net Operating cash flows from operating leases Operating Lease, Payments Other non-cash items Other Noncash Income (Expense) Acquired HSA portfolios Acquired HSA Portfolios Acquired HSA Intangible Assets [Member] Acquired HSA Intangible Assets [Member] 2026 Contractual Obligation, to be Paid, Year Four Fixed assets Deferred Tax Liabilities, Property, Plant and Equipment Operating lease not yet commenced undiscounted amount Lessee, Operating Lease, Lease Not Yet Commenced, Undiscounted Amount Lessee, Operating Lease, Lease Not Yet Commenced, Undiscounted Amount Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Aggregate fair value of consideration paid Business Combination, Consideration Transferred Credit losses from trade receivables Accounts Receivable, Credit Loss Expense (Reversal) Incentive Plan Incentive Plan [Member] Incentive Plan Principal amount Principal amount Long-term Debt, Gross October 1, 2025 Debt Instrument, Redemption, Period Two [Member] Entity Voluntary Filers Entity Voluntary Filers Plan Name [Axis] Plan Name [Axis] Total Long-term Debt Beginning balance, minimum (in usd per share) Ending balance, minimum (in usd per share) Share-Based Compensation, Shares Authorized Under Stock Option Plans, Exercise Price Range, Lower Range Limit, Outstanding Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit, Outstanding Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Goodwill impairment Goodwill, Impairment Loss Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] State income tax provision (benefit), net of federal tax provision (benefit) Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Entity Small Business Entity Small Business Debt Instrument, Amortization Period One Debt Instrument, Amortization Period One [Member] Debt Instrument, Amortization Period One Lessee, Operating Lease, Liability, Payment, Due [Abstract] Lessee, Operating Lease, Liability, Payment, Due [Abstract] Total Interest On Long-Term Debt, To Be Paid Interest On Long-Term Debt, To Be Paid Customary Base Rate Base Rate [Member] Increases as a result of tax positions taken during the current period Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Total liabilities and stockholders’ equity Liabilities and Equity Excess tax benefits on stock-based compensation expense, net Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount 2027 Lessee, Operating Lease, Liability, to be Paid, Year Five Deferred tax liability, adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Income Taxes Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Income Taxes Equity-based acquisition consideration Other Significant Noncash Transaction, Value of Consideration Given Exercised (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Service revenue Service [Member] Maximum leverage ratio Debt Instrument, Covenant, Net Leverage Ratio Debt Instrument, Covenant, Net Leverage Ratio Maximum borrowing capacity of future commitments Line Of Credit Facility, Maximum Borrowing Capacity Of Future Commitments Line Of Credit Facility, Maximum Borrowing Capacity Of Future Commitments Additional paid-in capital Additional Paid in Capital Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Liabilities and stockholders’ equity Liabilities and Equity [Abstract] Unrecognized tax benefits that would impact the effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Debt instrument, number of days to reinvest proceeds from sales of assets Debt Instrument, Prepayment Covenant, Period To Reinvest Proceeds From Sales Debt Instrument, Prepayment Covenant, Period To Reinvest Proceeds From Sales Debt Instrument, Amortization Period [Domain] Debt Instrument, Amortization Period [Domain] Debt Instrument, Amortization Period Asset Acquisition, Consideration [Abstract] Asset Acquisition, Consideration [Abstract] Asset Acquisition, Consideration 2026 Interest On Long-Term Debt, To Be Paid, Year Four Interest On Long-Term Debt, To Be Paid, Year Four Net income (loss) per share Earnings Per Share [Text Block] Impairment of right-of-use assets Operating Lease, Impairment Loss Operating expenses Operating Expenses [Abstract] Gain on equity securities Equity Securities, FV-NI, Gain (Loss) Entity Interactive Data Current Entity Interactive Data Current Thereafter Long-Term Debt, Maturity, after Year Five 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Four Supplemental financial statement information Additional Financial Information Disclosure [Text Block] Interest Expense Interest Expense, Policy [Policy Text Block] 2027 Other Commitment, to be Paid, Year Five Minimum Minimum [Member] Retirement Plan Name [Axis] Retirement Plan Name [Axis] Change in fair value of contingent consideration Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Gross profit Gross Profit Amounts drawn under credit agreement Long-term Line of Credit 2024 Lessee, Operating Lease, Liability, to be Paid, Year Two Balance Sheet Location [Domain] Balance Sheet Location [Domain] Technology and development Technology and Development [Member] Technology and Development [Member] Less: unamortized loan issuance costs Debt Issuance Costs, Net Merger integration Merger Integration [Member] Merger Integration Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Gross unrecognized tax benefit Gross unrecognized tax benefits at beginning of year Gross unrecognized tax benefits at end of year Total gross unrecognized tax benefits Unrecognized Tax Benefits Total gross deferred tax assets Deferred Tax Assets, Gross Income Tax Authority [Domain] Income Tax Authority [Domain] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Address, State or Province Entity Address, State or Province 2023 Interest On Long-Term Debt, To Be Paid, Year One Interest On Long-Term Debt, To Be Paid, Year One 2027 Asset Acquisition, Consideration, To Be Paid, Year Five Asset Acquisition, Consideration, To Be Paid, Year Five Ownership interest (as a percent) Business Acquisition, Percentage of Voting Interests Acquired Lease liabilities Deferred Tax Assets, Lease Liability Deferred Tax Assets, Lease Liability Current liabilities Liabilities, Current [Abstract] 2026 Long-Term Debt, Maturity, Year Four General and administrative General and Administrative Expense Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Debt Instrument, Amortization Period Four Debt Instrument, Amortization Period Four [Member] Debt Instrument, Amortization Period Four Indebtedness Debt Disclosure [Text Block] Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Exercisable (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Schedule of Components of Income Tax Expense (Benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Sales and marketing Sales and Marketing [Member] Sales and Marketing [Member] Line of Credit Line of Credit [Member] Stock-based compensation Share-based Payment Arrangement [Text Block] Senior Notes Senior Notes [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Leases Lessee, Leases [Policy Text Block] Supplemental Employee Retirement Plan Supplemental Employee Retirement Plan [Member] 2024 Interest On Long-Term Debt, To Be Paid, Year Two Interest On Long-Term Debt, To Be Paid, Year Two Unrecognized tax benefits, income tax penalties and interest accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Weighted- average contractual term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Total Contractual Obligation Underwriting discounts and commissions Payments of Stock Issuance Costs Number of segments Number of Reportable Segments Amounts netted against related deferred tax assets or tax receivables Unrecognized Tax Benefits, Amount Netted Against Deferred Tax Assets Unrecognized Tax Benefits, Amount Netted Against Deferred Tax Assets Lessee, operating lease, number of extensions Lessee, Operating Lease, Number Of Extensions Lessee, Operating Lease, Number Of Extensions Capitalized contract cost, amortization period Capitalized Contract Cost, Amortization Period Other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Federal Current Federal Tax Expense (Benefit) Letters of credit outstanding Letters of Credit Outstanding, Amount Operating lease, liability Present value of lease liabilities Operating Lease, Liability Document Transition Report Document Transition Report Common stock, $0.0001 par value, 900,000 shares authorized, 83,780 and 77,168 shares issued and outstanding as of January 31, 2022 and 2021, respectively Common Stock, Value, Issued Total other expense Nonoperating Income (Expense) Recognition period for stock-based compensation Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition January 31, 2028 Expire In Tax Years 2028 [Member] Expire In Tax Years 2028 [Member] Outstanding, beginning balance (in usd per share) Outstanding, ending balance (in usd per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Further Health Savings Account Portfolio Acquisition Further Health Savings Account Portfolio Acquisition [Member] Further Health Savings Account Portfolio Acquisition Goodwill acquired during the period Goodwill, Acquired During Period Return-to-provision adjustments Effective Income Tax Rate Reconciliation, Return-To-Provision Adjustments Effective Income Tax Rate Reconciliation, Return-To-Provision Adjustments Commitments and contingencies (see Note 7) Commitments and Contingencies Long-term Debt, Fiscal Year Maturity [Abstract] Long-term Debt, Fiscal Year Maturity [Abstract] Subsequent Event [Table] Subsequent Event [Table] Leases Lessee, Operating Leases [Text Block] Debt Instrument, Amortization Period Two and Three Period Debt Instrument, Amortization Period Two and Three Period [Member] Debt Instrument, Amortization Period Two and Three Period Entity Emerging Growth Company Entity Emerging Growth Company Accounts receivable, allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Business combinations Business Combination Disclosure [Text Block] Restricted stock awards Restricted Stock [Member] Employee benefits Compensation and Employee Benefit Plans [Text Block] Payment of debt issuance costs Payments of Debt Issuance Costs ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Other income (expense) Other Nonoperating Income (Expense), Miscellaneous Other Nonoperating Income (Expense), Miscellaneous Schedule of Assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Non-deductible acquisition-related costs Effective Income Tax Rate Reconciliation, Nondeductible Expense, Acquisition Related Costs Effective Income Tax Rate Reconciliation, Nondeductible Expense, Acquisition Related Costs Legal Entity [Axis] Legal Entity [Axis] Auditor Name Auditor Name Cover [Abstract] WageWorks Insurers WageWorks Insurers [Member] WageWorks Insurers [Member] Weighted-average dilutive effect of stock options and restricted stock units (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Investments Marketable Securities, Policy [Policy Text Block] Net income Business Acquisition, Pro Forma Net Income (Loss) Contractual Obligation, Fiscal Year Maturity [Abstract] Contractual Obligation, Fiscal Year Maturity [Abstract] Non-passive Custodial Fund Non - Passive Custodial funds [Member] Non - Passive Custodial funds Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount 4.500% Senior Notes due 2029 4.500% Senior Notes due 2029 [Member] 4.500% Senior Notes due 2029 Income Tax Authority [Axis] Income Tax Authority [Axis] Net proceeds from follow on offering Sale of Stock, Consideration Received on Transaction Payments for asset acquisition Payments for asset acquisition Payments For Asset Acquisition Payments For Asset Acquisition Entity [Domain] Entity [Domain] Accrued liabilities Accrued Liabilities, Current Total revenue Revenue from Contract with Customer, Excluding Assessed Tax Stock compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Right of use asset Disposal Group, Including Discontinued Operation, Operating Lease Right Of Use Asset Disposal Group, Including Discontinued Operation, Operating Lease Right Of Use Asset Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Stock options Share-based Payment Arrangement, Option [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Interest On Long-Term Debt, Fiscal Year Maturity [Abstract] Interest On Long-Term Debt, Fiscal Year Maturity [Abstract] Interest On Long-Term Debt, Fiscal Year Maturity Amortization of acquired intangible assets Amortization Of Acquired Intangible Amortization of Acquired Intangible Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Common stock Common Stock [Member] Variable Rate [Axis] Variable Rate [Axis] Income (loss) from operations Operating Income (Loss) Custodial revenue Financial Service, Other [Member] Employer matching contribution expense Defined Contribution Plan, Employer Discretionary Contribution Amount Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Operating lease liabilities Less: current portion of lease liabilities Operating Lease, Liability, Current Summary of business and significant accounting policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Two Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Document Fiscal Year Focus Document Fiscal Year Focus Stock-based compensation Share-based Payment Arrangement, Noncash Expense Variable Rate [Domain] Variable Rate [Domain] Additional paid-in capital Additional Paid-in Capital [Member] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Depreciation expense Depreciation Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Accounts payable, accrued liabilities, and other current liabilities Increase (Decrease) in Accrued Liabilities Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Other income (expense), net Total other income (expense), net Other Nonoperating Income (Expense) Fair value of the notes Long-term Debt, Fair Value Percentage of principal amount redeemed Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Exercised, minimum (in usd per share) Share-Based Compensation, Shares Authorized Under Stock Option Plans, Exercise Price Range, Lower Range Limit, Exercised Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit, Exercised Grant date fair value Share-Based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Grants In Period, Fair Value Share-Based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Grants In Period, Fair Value Number of team members modification affected Share-based Payment Arrangement, Plan Modification, Incremental Cost, Number Of Team Members Share-based Payment Arrangement, Plan Modification, Incremental Cost, Number Of Team Members Maximum Maximum [Member] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Share-based Payment Arrangement [Abstract] Total Lessee, Operating Lease, Liability, To Be Paid, Including Leases Not Yet Commenced Lessee, Operating Lease, Liability, To Be Paid, Including Leases Not Yet Commenced Total liabilities Liabilities Award Type [Axis] Award Type [Axis] 2023 Finite-Lived Intangible Asset, Expected Amortization, Year One Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Weighted-average number of shares used in computing net income (loss) per share: Weighted Average Number Of Shares Used In Computing Net Income Per Share Attributable To Common Stockholders, Basic And Diluted [Abstract] Weighted Average Number Of Shares Used In Computing Net Income Per Share Attributable To Common Stockholders, Basic And Diluted [Abstract] Other current assets, adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Current Assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Current Assets Total stockholders’ equity Beginning balance Ending balance Stockholders' Equity Attributable to Parent Operating loss carryforwards Operating Loss Carryforwards Common stock, shares issued (in shares) Common Stock, Shares, Issued Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued City Area Code City Area Code Payments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Exercisable, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, 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renewal terms extension Lessee, Operating Lease, Renewal Term Contingent payments payable Business Combination, Contingent Consideration, Liability Total long-term liabilities Liabilities, Noncurrent Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Period increase in unrecognized tax benefit Unrecognized Tax Benefits, Period Increase (Decrease) Revolving Credit Facility Revolving Credit Facility [Member] Minimum net worth above custodial assets Minimum Net Worth Above Custodial Assets Minimum Net Worth Above Custodial Assets Revenue, remaining performance obligation, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Credit carryforward Tax Credit Carryforward, Amount 2025 Contractual Obligation, to be Paid, Year Three Furniture and fixtures Furniture and fixtures Furniture and Fixtures [Member] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Schedule of Lease Cost Lease, Cost [Table Text Block] Other long-term liabilities Deferred Charges, Policy [Policy Text Block] Subsequent Event [Line Items] Subsequent Event [Line Items] Tax Credit Carryforward [Axis] Tax Credit Carryforward [Axis] Thereafter Other Commitment, to be Paid, after Year Five Basic (in shares) Weighted-average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in usd per share) Earnings Per Share, Diluted State State and Local Jurisdiction [Member] Offering price per share (in usd per share) Sale of Stock, Price Per Share Schedule of Payments Due By Fiscal Year For Our Outstanding Contractual Obligations Contractual Obligation, Fiscal Year Maturity [Table Text Block] HSA Member HSA Member [Member] HSA Member [Member] Indefinite-lived intangible assets acquired Indefinite-lived Intangible Assets Acquired Income tax payments (refunds), net Income Taxes Paid, Net Incremental contract costs Deferred Tax Liabilities, Incremental Contract Costs Deferred Tax Liabilities, Incremental Contract Costs Other non-deductible or non-taxable items, net Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Acquisition awards exchanged for cash Equity Awards Exchanged For Cash In Business Combination [Member] Equity Awards Exchanged For Cash In Business Combination Subsequent events Subsequent Events [Text Block] Follow on Equity Offering Follow On Equity Offering [Member] Follow On Equity Offering [Member] WageWorks, Inc. Wage Works Inc. [Member] Wage Works Inc. 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Outstanding, Number WageWorks Inc. WageWorks Inc. [Member] WageWorks Inc. 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Businesses, Gross Cash paid for amounts included in the measurement of lease liabilities: Cash Flow, Operating Activities, Lessee [Abstract] Defined Contribution Plan [Table] Defined Contribution Plan [Table] Credit facilities Line of Credit Facility, Maximum Borrowing Capacity Research and development credits Deferred Tax Assets, Tax Credit Carryforwards, Research, Noncurrent Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. 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