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Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Change in accrued capital expenditures during the period Change In Accrued Capital Expenditures Change in accrued capital expenditures. 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Gross unrealized losses Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss Other assets Increase (Decrease) in Other Operating Assets Occupancy Occupancy, Net Nature of the Business Nature of Operations [Text Block] PEO PEO [Member] 2028 Long-Term Debt, Maturity, Year Two Weighted-average remaining lease term (in years): Finance and Operating Leases, Weighted Average Remaining Lease Term [Abstract] Finance and Operating Leases, Weighted Average Remaining Lease Term Other liabilities Other Liabilities, Noncurrent Goodwill Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Issuance of common stock upon exercise of stock options (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Cash paid for amounts included in the measurement of lease liabilities: Cash Flow, Lessee [Abstract] Cash Flow, Lessee Notes receivable, less current portion Financing Receivable, after Allowance for Credit Loss, Noncurrent Subsequent Event Type [Domain] Subsequent Event Type [Domain] Payables and Accruals [Abstract] Payables and Accruals [Abstract] Retained Earnings Retained Earnings [Member] Operating lease liabilities Operating lease liabilities Long-term lease liabilities Operating Lease, Liability, Noncurrent Total operating expenses Total operating expenses Operating Expenses Revolving Credit Facility Revolving Credit Facility [Member] Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] 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, beginning balance (in shares) Common stock, ending balance (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Net income per share - diluted (in dollars per share) Earnings Per Share, Diluted Number of accredited institutions Number Of Accredited Institutions Number Of Accredited Institutions Entity Current Reporting Status Entity Current Reporting Status Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Shares withheld for payroll taxes Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Cash Flow Hedging Cash Flow Hedging [Member] Amortization expense Intangible Asset, Finite-Lived, Amortization Expense Intangible Asset, Finite-Lived [Line Items] Intangible Asset, Finite-Lived [Line Items] Proceeds from revolving credit facility Proceeds from Long-Term Lines of Credit Adjustments to reconcile net income to net cash provided by 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Facility, Increase In Additional Borrowing Capacity Educational Services And Facilities Expense Educational Services And Facilities Expense [Member] Educational Services And Facilities Expense Current Fiscal Year End Date Current Fiscal Year End Date Schedule of Maturities of Finance Lease Liabilities Finance Lease, Liability, to be Paid, Maturity [Table Text Block] Remainder of 2026 Finance Lease, Liability, to be Paid, Remainder of Fiscal Year Assets: Lease, Right-of-Use Asset [Abstract] Lease, Right-of-Use Asset Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Number of campus leased Finance Lease, Number Of Campus Leases Finance Lease, Number Of Campus Leases Number of leasable campuses Operating Lease, Number Of Leasable Campuses Operating Lease, Number Of Leasable Campuses Estimated fair market value, current Debt Securities, Held-to-Maturity, Fair Value, Current Vehicles Vehicles [Member] Lease not yet commenced amount Unrecorded Unconditional Purchase Obligation 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] Issuance of common stock under stock-based compensation plans Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Common stock, shares issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Treasury stock (in shares) Treasury stock, beginning balance (in shares) Treasury stock, ending balance (in shares) Treasury Stock, Common, Shares Equity Components [Axis] Equity 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Measured on Recurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Other accrued expenses Accrued Liabilities, Current Fair Value as of Grant Date Award Grant Date Fair Value Intangible Asset, Indefinite-Lived Intangible Asset, Indefinite-Lived [Table Text Block] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Student related Student Related Expense Student Related Expense Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Robert T. DeVincenzi [Member] Robert T. DeVincenzi Commitments and contingencies (Note 15) Commitments and Contingencies Finite-lived intangible assets, gross carrying amount Intangible Asset, Finite-Lived, before Accumulated Amortization Finance lease, liability, noncurrent, statement of financial position [Extensible Enumeration] Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Property and equipment, gross Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] 2030 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four Accounts payable, accrued expenses and other current liabilities 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] Amortization of leased assets Finance Lease, Right-of-Use Asset, Amortization Liabilities and Shareholders’ Equity Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] All Award Types Award Type [Domain] Tranche rate adjustment Debt Instrument, Tranche Rate Adjustment, Percentage Debt Instrument, Tranche Rate Adjustment, Percentage Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Interest on lease liabilities Finance Lease, Interest Expense Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Remainder of 2026 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Fair Value Measurements Fair Value Disclosures [Text Block] Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] 2027 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One Lease term Lessee, Operating Lease, Term of Contract PEO Name PEO Name Leasehold improvements Leasehold Improvements [Member] Restricted cash Restricted cash, beginning of period Restricted cash, end of period Restricted Cash Deferred revenue Contract with Customer, Liability Property, Plant and Equipment, Type [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 Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Legal Entity [Axis] Legal Entity [Axis] Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Revenue from Contracts with Customers Revenue [Policy Text Block] Cash, cash equivalents and restricted cash, beginning of period Cash, cash equivalents and restricted cash, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Finance Lease Finance Lease Finance Leases [Member] Finance Leases Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] 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] 2031 and thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Four Lessee, Operating Lease, Liability, to be Paid, after Year Four Debt Instrument [Axis] Debt Instrument [Axis] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense 2028 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two Total net lease expense Lease, Cost Schedule of Debt Schedule of Debt [Table Text Block] Leases Lessee, Operating Leases [Text Block] Proceeds received upon maturity of investments Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities 2027 Long-Term Debt, Maturity, Year One Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Schedule of Fair Value of Derivative Instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Net income per share - basic (in dollars per share) Earnings Per Share, Basic Deferred revenue Contract with Customer, Liability, Current Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Long-term debt Long-term debt Long-Term Debt, Excluding Current Maturities Award Type Award Type [Axis] Amount of Gain (Loss) Recognized in Other Comprehensive Income (Loss) on Derivative, net of taxes Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax 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 Receivables, net Accounts Receivable, after Allowance for Credit Loss, Current Retained earnings Retained Earnings (Accumulated Deficit) Restructuring and Related Activities [Abstract] General operations General Operations Expense General Operations Expense Estimated fair market value, noncurrent Debt Securities, Held-to-Maturity, Fair Value, 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] 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 Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Derivative Contract [Domain] Derivative Contract [Domain] Number of lease contracts Lessee, Operating Lease, Number Of Contracts Lessee, Operating Lease, Number Of Contracts Equity Awards Adjustments Equity Awards Adjustments [Member] Hedging Relationship [Domain] Hedging Relationship [Domain] Total liabilities and shareholders’ equity Liabilities and Equity Variable lease expense Variable Lease, Cost Net Book Value Intangible Asset, Including Goodwill, after Accumulated Amortization Employee Stock Option Share-Based Payment Arrangement, Option [Member] Avondale Swap Avondale Swap [Member] Avondale Swap Segments [Axis] Segments [Axis] Other liabilities Increase (Decrease) in Other Operating Liabilities Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Restructuring charges Restructuring Charges Tabular List, Table Tabular List [Table Text Block] Paid-in capital Additional Paid in Capital Capitalized costs for intangible assets Payments to Acquire Intangible Assets Other income (expense), net Other Nonoperating Income (Expense) 2029 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three Schedule of Accounts Payable and Accrued Expenses Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Remainder of 2026 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year Name Awards Close in Time to MNPI Disclosures, Individual Name Purchase of investments Payments to Acquire Investments 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] Property, Plant and Equipment, Type [Domain] Long-Lived Asset, Class [Domain] Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Adjustment to Compensation: Adjustment to Compensation [Axis] Internally developed curriculum Internally Developed Curriculum [Member] Internally Developed Curriculum Hedging Designation [Domain] Hedging Designation [Domain] 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 Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Hedging Designation [Axis] Hedging Designation [Axis] Credit Facility [Axis] Credit Facility [Axis] Restructuring Charges Restructuring and Related Activities Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total assets at fair value on a recurring basis Assets, Fair Value Disclosure Government Regulation And Financial Aid Government Regulation And Financial Aid [Text Block] Government regulation and financial aid. Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Paid-in Capital - Common Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Corporate support Corporate Support Expense Corporate Support Expense Indefinite-lived Intangible Assets [Axis] Intangible Asset, Indefinite-Lived, Class [Axis] Short-term investments Short-Term Investments Schedule of Supplemental Information Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee [Table Text Block] Name Trading Arrangement, Individual Name Advertising Advertising Expense Cash and cash equivalents Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash and Cash Equivalent Long-Term Debt, Fiscal Year Maturity [Abstract] Long-Term Debt, Fiscal Year Maturity [Abstract] Finance Lease Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Company Selected Measure Amount Company Selected Measure Amount Investments, Debt and Equity Securities [Abstract] Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization Total lease liabilities Lease, Liability Lease, Liability SOFR Secured Overnight Financing Rate (SOFR) [Member] Entity Address, Address Line Two Entity Address, Address Line Two Issuance of common stock under stock-based compensation plans (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Operating leases Operating Lease, Weighted Average Remaining Lease Term Prime Rate Prime Rate [Member] Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Lease assets obtained in exchange for new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Income tax expense (Note 13) Income tax expense Income Tax Expense (Benefit) Risks and Uncertainties [Abstract] Award Timing Method Award Timing Method [Text Block] Change 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 Receivables Accounts and Financing Receivable, after Allowance for Credit Loss Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Variable Rate Component [Domain] Variable Rate Component [Domain] Variable Rate Component [Domain] Fixed rate on principal amount Derivative, Fixed Amount of Debt on Interest Rate, Percentage Derivative, Fixed Amount of Debt on Interest Rate, Percentage Recent Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] Net income Net income Net income (loss) Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Location, Statement of Financial Position, Balance [Axis] Location, Statement of Financial Position, Balance [Axis] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Proceeds from stock option exercises Proceeds from Stock Options Exercised Interest income Investment Income, Interest Gross unrealized gains Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Schedule of Contract with Customer, Asset and Liability Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Total fair value of assets designated as hedging instruments Derivative Asset, Subject to Master Netting Arrangement, before Offset Unusual or Infrequent Item, or Both [Line Items] Unusual or Infrequent Item, or Both [Line Items] Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract]