Amendment Flag Current Fiscal Year End Date Document Period End Date Entity [Domain] Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Registrant Name Entity Central Index Key Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Legal Entity [Axis] Document Type Award Type [Axis] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract] Accounts payable Accounts Payable, Current Accounts receivable, less allowance of $9,255 and $9,126 at March 31, 2016 and December 31, 2015, respectively Accounts Receivable, Net, Current Noncurrent receivables, less allowance of $734 and $797 at March 31, 2016 and December 31, 2015, respectively Accounts Receivable, Net, Noncurrent Accrued expenses Accrued Liabilities, Fair Value Disclosure Accrued expenses Accrued rent PROPERTY, EQUIPMENT AND FACILITIES - accumulated depreciation and amortization Accumulated Other Comprehensive Loss [Member] AOCI Attributable to Parent [Member] Accumulated other comprehensive loss Additional paid-in capital Additional Paid-in Capital [Member] Total adjustments Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities Stock options Adjustments to Additional Paid in Capital, Share-based Compensation, Stock Options, Requisite Service Period Recognition Adjustments to reconcile net loss to net cash used in operating activities: Recognized restricted stock expense Accounts receivable, allowance Noncurrent receivables, allowance Amortization of intangible assets Amortization Amortization of deferred finance charges Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities, Name [Domain] Antidilutive Securities [Axis] Antidilutive shares excluded from computation of income (loss) per share (in shares) Assets held for sale ASSETS Assets [Abstract] TOTAL Assets Total current assets Assets, Current CURRENT ASSETS: ASSETS Assets, Current [Abstract] Total other assets Assets, Noncurrent OTHER ASSETS: OTHER ASSETS : Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Finance obligation Long-term capital lease obligations Current portion of capital lease obligations Carrying Amount [Member] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure CASH AND CASH EQUIVALENTS-End of period CASH AND CASH EQUIVALENTS-Beginning of period Cash and cash equivalents NET DECREASE IN CASH AND CASH EQUIVALENTS Cash and Cash Equivalents, Period Increase (Decrease) COMMITMENTS AND CONTINGENCIES Common stock, shares issued (in shares) Common stock, no par value - authorized: 100,000,000 shares at March 31, 2016 and December 31, 2015; issued and outstanding: 29,666,077 shares at March 31, 2016 and 29,727,555 shares at December 31, 2015 Common Stock, Value, Outstanding Common stock, shares authorized (in shares) Cash dividend (in dollars per share) Common Stock, Dividends, Per Share, Declared Common Stock [Member] Common stock, shares outstanding (in shares) BALANCE (in shares) BALANCE (in shares) Common stock, par value (in dollars per share) Stock-Based Compensation Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Consolidation Items [Domain] Consolidation Items [Axis] Corporate [Member] Educational services and facilities COSTS AND EXPENSES: Total costs & expenses Costs and Expenses Credit Facility [Domain] Credit Facility [Axis] Debt Instrument [Line Items] LONG-TERM DEBT AND LEASE OBLIGATIONS Debt and Capital Leases Disclosures [Text Block] LONG-TERM DEBT AND LEASE OBLIGATIONS [Abstract] Schedule of Long-term Debt Instruments [Table] Debt instrument, basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Term loan principal repayment Debt Instrument, Annual Principal Payment Repayment of outstanding principal, accrued interest and fees Amount of fees for term loan Outstanding term loan Debt Instrument, Face Amount Interest rate of debt instrument Debt forgiveness Deferred finance fee, offset Unearned tuition Deferred Revenue, Current Pension plan liabilities Depreciation and amortization Income tax benefit Discontinued Operation, Tax Effect of Discontinued Operation DISCONTINUED OPERATIONS [Abstract] Income (loss) before income tax Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Revenue Disposal Group, Including Discontinued Operation, Revenue Result of discontinued operations [Abstract] Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] Net, assets held for sale Disposal Group, Including Discontinued Operation, Assets, Noncurrent DISCONTINUED OPERATIONS Basic Diluted Weighted average number of common shares outstanding: WEIGHTED AVERAGE COMMON SHARES Earnings Per Share [Text Block] Net loss per share (in dollars per share) Earnings Per Share, Basic Net loss per share (in dollars per share) Earnings Per Share, Diluted WEIGHTED AVERAGE COMMON SHARES [Abstract] Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Stock Options [Member] Unrecognized pre-tax compensation expense Unrecognized restricted stock expense Equity Component [Domain] Fair Value [Member] Measurement Basis [Axis] FAIR VALUE [Abstract] Fair Value, Hierarchy [Axis] FAIR VALUE Fair Value Hierarchy [Domain] Fair Value, by Balance Sheet Grouping [Table] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair value, by balance sheet grouping Fair Value Measurement [Domain] Significant Unobservable Inputs (Level 3) [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] Significant Other Observable Inputs (Level 2) [Member] Financial Assets [Abstract] Financial Liabilities [Abstract] Financial Liabilities Fair Value Disclosure [Abstract] Accumulated amortization, ending balance Accumulated amortization, beginning balance Finite-Lived Intangible Assets, Accumulated Amortization Estimated future amortization expense [Abstract] Total Net carrying amount Finite-Lived Intangible Assets, Net 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Three Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets, Major Class Name [Domain] Gross carrying amount, ending balance Gross carrying amount, beginning balance Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets by Major Class [Axis] Weighted average amortization period Finite-Lived Intangible Asset, Useful Life 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Two Remainder of 2016 Gain on disposition of assets Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Lease termination fee Gain (Loss) on Contract Termination Gain on sale of assets Gain (Loss) on Disposition of Assets Gain on capital lease termination Gain (Loss) on Sale of Capital Leases, Net Goodwill Net Goodwill Balance Accumulated Impairment Losses Goodwill, Impaired, Accumulated Impairment Loss GOODWILL AND LONG-LIVED ASSETS Goodwill and Intangible Assets Disclosure [Text Block] Gross Goodwill Balance Goodwill, Gross Changes in carrying amount of goodwill [Abstract] Goodwill impairment Goodwill, Impairment Loss GOODWILL AND LONG-LIVED ASSETS [Abstract] Impairment of long-lived assets Loss per share from continuing operations (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Income (loss) per share from discontinued operations (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Income (loss) per share from discontinued operations (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) [Abstract] LOSS FROM CONTINUING OPERATIONS BEFORE INCOME TAXES Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest INCOME TAXES [Abstract] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Loss per share from continuing operations (in dollars per share) INCOME (LOSS) FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES Net income (loss) from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest LOSS FROM CONTINUING OPERATIONS Income (Loss) from Continuing Operations Attributable to Parent Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Provision for income taxes PROVISION FOR INCOME TAXES INCOME TAXES Income Tax Disclosure [Text Block] Income taxes Income Taxes Paid Income Taxes Accounts receivable Increase (Decrease) in Accounts Receivable Accounts payable Increase (Decrease) in Accounts Payable Accrued expenses Increase (Decrease) in Accrued Liabilities Other assets and charges Increase (Decrease) in Other Noncurrent Assets Unearned tuition Increase (Decrease) in Deferred Revenue Other liabilities Increase (decrease) in liabilities: Increase (Decrease) in Operating Liabilities [Abstract] Inventories Increase (Decrease) in Inventories (Increase) decrease in assets: Increase (Decrease) in Operating Assets [Abstract] Prepaid income taxes and income taxes receivable Increase (Decrease) in Unbilled Receivables Increase (Decrease) in Stockholders' Equity [Roll Forward] Prepaid expenses and current assets Increase (Decrease) in Prepaid Expense and Other Assets Dilutive effect of stock options (in shares) Intangible Assets (Excluding Goodwill) [Abstract] Intangible Assets, Net (Excluding Goodwill) [Abstract] Net carrying amount Intangible Assets, Net (Excluding Goodwill) Interest expense Interest Expense Interest Interest Paid Inventories Interest income 90-day LIBOR [Member] London Interbank Offered Rate (LIBOR) [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Letter of Credit [Member] Total current liabilities Liabilities, Current Liabilities held for sale Liabilities accrued for or noncash purchases of fixed assets Liabilities Assumed CURRENT LIABILITIES: Total liabilities Liabilities NONCURRENT LIABILITIES: LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] TOTAL Liabilities and Equity Letter of credit fee percentage Line of Credit Facility, Commitment Fee Percentage Expiration date of credit facility Line of Credit Facility, Expiration Date Long-term line of credit Commitment fee Maximum availability under the facility Credit Agreement [Member] Line of Credit [Member] Cash collateral amount Litigation Case [Domain] Litigation Case [Axis] Settlement amount Term loan Loans Payable, Fair Value Disclosure 2016 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal Remainder of Fiscal Year 2018 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three 2019 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four 2017 Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Two Long term debt and capital lease obligations Long-term Debt and Capital Lease Obligations, Including Current Maturities Long-term debt and lease obligations Long-term Debt and Capital Lease Obligations Long-term debt and lease obligations [Abstract] Long-term Debt and Capital Lease Obligations [Abstract] Less current maturities Long-term Debt and Capital Lease Obligations, Current Current portion of term loan Long-term term loan CONTINGENCIES Contingencies Disclosure [Text Block] CONTINGENCIES [Abstract] Scheduled maturities of long-term debt and lease obligations [Abstract] Maturities of Long-term Debt and Capital Lease Obligations [Abstract] Maximum [Member] Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities CASH FLOWS FROM FINANCING ACTIVITIES: Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Net loss NET LOSS Net loss CASH FLOWS FROM INVESTING ACTIVITIES: CASH FLOWS FROM OPERATING ACTIVITIES: New Accounting Pronouncements SUPPLEMENTAL SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES: OTHER: Number of states in which schools operate across the United States Number of States in which Entity Operates Number of remaining reportable segments Number of reportable segments Number of reportable segments Reportable Segments [Member] OPERATING LOSS Operating (Loss) Income Operating Income (Loss) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Employee pension plan adjustments, net of taxes Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Other assets, net Other short-term liabilities Other long-term liabilities Other income Other comprehensive income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Employee pension plan adjustments Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax, Portion Attributable to Parent Net share settlement for equity-based compensation Payments for Repurchase of Other Equity Capital expenditures Payments to Acquire Property, Plant, and Equipment Payment of deferred finance fees Payments of Financing Costs Performance Shares [Member] Plan Name [Axis] Plan Name [Domain] Portion at Fair Value Measurement [Member] Preferred stock, no par value - 10,000,000 shares authorized, no shares issued and outstanding at March 31, 2016 and December 31, 2015 Preferred Stock, Value, Outstanding Preferred stock, shares issued (in shares) Preferred stock, shares authorized (in shares) Preferred stock, par value (in dollars per share) Preferred stock, shares outstanding (in shares) Prepaid income taxes and income taxes receivable Prepaid Taxes Prepaid expenses and other current assets Reclassifications of payments of borrowings from restricted cash Proceeds from borrowings Proceeds for remaining loan amount Proceeds from sale of property and equipment PROPERTY, EQUIPMENT AND FACILITIES - At cost, net of accumulated depreciation and amortization of $121,938 and $122,037 at March 31, 2016 and December 31, 2015, respectively Property, Plant and Equipment, Net Fixed asset donation Provision for doubtful accounts Range [Domain] Range [Axis] Principal payments under capital lease obligations Repayments of Long-term Capital Lease Obligations Payments on borrowings Repayments of Long-term Debt Aggregate repayments of the Loan Restricted Stock [Member] Restricted cash Restricted cash Restricted Cash and Cash Equivalents, Current Noncurrent restricted cash Retained Earnings (Accumulated Deficit) [Member] (Accumulated deficit) retained earnings Revenues from External Customers and Long-Lived Assets [Line Items] Revenues Revolving Credit Facility [Member] Liquidity Substantial Doubt about Going Concern [Text Block] Weighted Exercise Price (in dollars per share) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price Outstanding Contractual Weighted Average Life Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term Exercisable, ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Weighted Average Price (in dollars per share) Vested or expected to vest Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Outstanding restricted shares, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Exercisable Summary of estimated future amortization expense Sale and a leaseback of several facilities, Date REVENUE Revenue, Net Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Summary of transactions pertaining to option plans Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Summary of transactions pertaining to restricted stock Weighted average numbers of common shares used to compute basic and diluted income per share Schedule of Weighted Average Number of Shares [Table Text Block] Long-term debt and lease obligations Schedule of Long-term Debt Instruments [Table Text Block] Results of operations at campuses Disposal Groups, Including Discontinued Operations [Table Text Block] Changes in carrying amount of goodwill Schedule of Segment Reporting Information, by Segment [Table] Summary financial information by reporting segment Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Summary of options outstanding SEGMENTS [Abstract] Segments [Domain] Summary financial information by reporting segment [Abstract] Segment Reporting Information [Line Items] SEGMENTS Discontinued Operations [Member] Selling, general and administrative Vesting period of performance-based shares Nonvested restricted stock outstanding, ending balance (in shares) Nonvested restricted stock outstanding, beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Stock-based compensation expense Share-based Compensation [Abstract] Stock-based compensation expense Nonvested restricted stock outstanding, beginning balance (in dollars per share) Nonvested restricted stock outstanding, ending balance (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 Shares [Abstract] Weighted Average Exercise Price Per Share [Abstract] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Weighted Average Grant Date Fair Value [Abstract] Canceled (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 Canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Vested (in dollars per share) Exercisable, ending balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Cancelled (in dollars per share) Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Vested or expected to vest Exercise Price Range [Axis] Exercisable, ending balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Outstanding, ending balance Outstanding, beginning balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Award Type [Domain] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] Outstanding, beginning balance (in shares) Outstanding, ending balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Outstanding, beginning balance (in dollars per share) Outstanding, ending balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Vested or expected to vest (in shares) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Shares [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Vested or expected to vest (in dollars per share) Shares (in shares) Shares (in shares) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options Range of Exercise Prices, Maximum (in dollars per share) Range of Exercise Prices, Minimum (in dollars per share) Short-term debt Statement [Line Items] CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) [Abstract] CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) [Abstract] CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) [Abstract] Statement, Equity Components [Axis] Statement [Table] Segments [Axis] CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) [Abstract] Net share settlement for equity-based compensation Stock Issued During Period, Value, Restricted Stock Award, Forfeitures Net share settlement for equity-based compensation (in shares) Net share settlement for restricted stock (in shares) Restricted stock (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Restricted stock Stock Issued During Period, Value, Restricted Stock Award, Gross STOCKHOLDERS' EQUITY Stockholders' Equity Note Disclosure [Text Block] STOCKHOLDERS' EQUITY: LIABILITIES AND STOCKHOLDERS' EQUITY Stockholders' Equity Attributable to Parent [Abstract] STOCKHOLDERS' EQUITY [Abstract] Total stockholders' equity BALANCE BALANCE Stockholders' Equity Attributable to Parent Subsequent Event Type [Axis] Subsequent Event [Line Items] Subsequent Event [Member] SUBSEQUENT EVENT SUBSEQUENT EVENT [Abstract] Subsequent Event Type [Domain] Subsequent Event [Table] SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION: Trade Name [Member] Trade Names [Member] Treasury stock, shares (in shares) Treasury Stock [Member] Treasury stock at cost - 5,910,541 shares at March 31, 2016 and December 31, 2015 Treasury Stock, Value Use of Estimates in the Preparation of Financial Statements Variable Rate [Axis] Variable Rate [Domain] Shares used to compute basic and diluted loss income per share [Abstract] Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Basic shares outstanding (in shares) Diluted (in shares) Diluted shares outstanding (in shares) Amount of the current period expense charged against operations as an adjustment to the balance of deferred rent. Deferred Rent Expense Deferred rent Cash paid during the year for: [Abstract] Cash paid during the year for: The net cash outflow from cash and cash items that are not available for withdrawal or usage. Repayments Of Restricted Cash Financing Activities Reclassifications of proceeds of borrowings from restricted cash Amount of finance lease obligation due within one year or the normal operating cycle, if longer. Current portion of finance obligation Current portion of finance obligation Long-term finance obligation Long-term finance obligation Disclosure of accounting policy for business activities. Any activity that is engaged in for the primary purpose of making a profit. Business activities can include things like operations, marketing, production and administration. Business Activities [Policy Text Block] Business Activities Contracts conveying rights, but not obligations, to buy or sell a specific quantity of stock at a specified price during a specified period (an American option) or at a specified date (a European option). Stock Option 2 [Member] Stock Option 2 [Member] Contracts conveying rights, but not obligations, to buy or sell a specific quantity of stock at a specified price during a specified period (an American option) or at a specified date (a European option). Stock Option 1 [Member] Stock Option 1 [Member] Liquidity [Abstract] Represents the number of schools. Number of Schools Number of schools Refers to amount required for repayment of debt from assets held for sale. Disposal Group, Including Discontinued Operation Amount Required For Debt Repayment Amount required to pay down debt Business Activities [Abstract] Business Activities [Abstract] Refers to the number of campuses treated as destination schools. Number of Campuses Treated as destination Schools Number of campuses treated as destination schools Refers to the number of schools that were approved to divest. Number of Schools Approved to Divest Number of schools approved to divest Sector of the economy consisting of companies engaged in healthcare and other professions-related business activities. Healthcare and Other Professions Business Segment [Member] Healthcare and Other Professions Business Segment [Member] Refers to the value of cash, cash equivalents and restricted cash. Cash, Cash Equivalents and Restricted Cash Cash and cash equivalents Represents the percentage of total revenue earned in the segment. Percentage of total revenue Percentage of Total Revenue Transitional includes the campus that is currently being taught. This school employs a gradual teach-out process, enabling them to continue to operate while current students complete their course of study, however they no longer enroll new students. Transitional [Member] Transportation and Skilled Trades offers academic programs mainly in the career-oriented disciplines of transportation and skilled trades. Transportation and Skilled Trades [Member] Represents the number of locations closed and online business exited. Number of locations closed Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life and indefinite life by either major class or business segment. Schedule of Finite Lived and Indefinite Lived Intangible Assets [Table Text Block] Summary of finite-lived and indefinite-lived intangible assets Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date. Intangible Assets, Gross (Excluding Goodwill), Total Gross carrying amount, Total Gross carrying amount, Total Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance. Accumulated amortization, Total Accumulated amortization, Total Accumulated amortization, Total The aggregate expense write-off against earnings to allocate the cost of intangible assets (nonphysical assets not used in production). Intangible assets written off Adjustments The aggregate expense charged against earnings to allocate the cost of finite and indefinite intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Amortization Of Finite And Indefinite Intangible Assets Total Amortization Curriculum is the set of courses, and their content, offered at a school or university. Curriculum [Member] Curriculum [Member] The aggregate expense write-off against earnings to allocate the cost of finite lived intangible assets (nonphysical assets not used in production). Finite Lived Intangible Asset Written Off Adjustments Summary of Stock Options Outstanding [Abstract] Summary of stock options outstanding [Abstract] Represents specified operating income margin period for the employees right to become exercisable. Specified Operating Income Margin Period Specified operating income margin period Stock Options [Abstract] Stock Options [Abstract] Summary of Transactions Pertaining to Stock Options [Abstract] Summary of transactions pertaining to stock options [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Aggregate Intrinsic Value [Abstract] Aggregate Intrinsic Value [Abstract] Amount of aggregate intrinsic value of the shares canceled. Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures and Expirations In Period Total Intrinsic Value Canceled Share Based Compensation Arrangement By Share Based Payment Award Weighted Average Remaining Contractual Term [Abstract] Weighted Average Remaining Contractual Term [Abstract] Represents the stock incentive plan of the entity. Long Term Incentive Plan [Member] LTIP [Member] Represents number of stock incentive plans. Number of Stock Incentive Plans Number of stock incentive plans Represents the amount of equity decrease during the reporting period for payment of certain taxes on behalf of employees. Decrease in Equity Due to Payment of Tax for Employee Decrease in equity due to payment of tax for employee Share Based Compensation Arrangement By Share Based Payment Award Stock Options Outstanding [Abstract] Stock Options Outstanding [Abstract] Type of estimate of range of exercise prices, one including but not limited to, upper and lower bound amounts, maximum and minimum amounts, and point estimates. Range 3 [Member] $ 20.00-$25.00 [Member] Type of estimate of range of exercise prices, one including but not limited to, upper and lower bound amounts, maximum and minimum amounts, and point estimates. Range 2 [Member] $ 14.00-$19.99 [Member] Type of estimate of range of exercise prices, one including but not limited to, upper and lower bound amounts, maximum and minimum amounts, and point estimates. Range 1 [Member] $ 4.00-$13.99 [Member] Share Based Compensation Arrangement By Share Based Payment Award Stock Options Exercisable [Abstract] Stock Options Exercisable [Abstract] Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Abstract] Range of Exercise Prices [Abstract] A contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time, and under which borrowings outstanding may be either short-term or long-term, depending upon the particulars related to term loan B. Term Loan B [Member] A contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time, and under which borrowings outstanding may be either short-term or long-term, depending upon the particulars. Term Loan Agreement [Member] Term Loan Agreement [Member] Refers to entities under term loan agreement. HPF Holdco, LLC, Rushing Creek 4, LLC and Tiger Capital Group LLC [Member] HPF Holdco, LLC, Rushing Creek 4, LLC and Tiger Capital Group, LLC [Member] Refers to entity. Alostar Bank Of Commerce [Member] Alostar Bank of Commerce [Member] Refers to revolving credit facility with Bank of America and other lenders. Bank of America And Other Lenders [Member] Bank of America and Other Lenders [Member] The Loan may be prepaid in whole or in part at any time, subject to the payment of a prepayment premium equal to the principal amount prepaid at any time up to but not including the second anniversary of the Closing Date. Percentage Of Principal Amount Prepaid But Not Including In The Second Anniversary Percentage of principal amount prepaid but not including in the second anniversary Additional Face (par) amount of debt instrument at time of issuance. Debt Instrument Additional Face Amount Outstanding term loan additional amount The Loan may be prepaid in whole or in part at any time, subject to the payment of a prepayment premium equal to the principal amount prepaid at any time commencing on the second anniversary of the Closing Date up to but not including the third anniversary of the Closing Date. Percentage Of Principal Amount Prepaid But Not Including In The Third Anniversary Percentage of principal amount prepaid but not including in the third anniversary Amount of long-term debt and capital lease obligations including current maturities and excluding non-cash financing obligation liability. Long-term Debt and Capital Lease Obligations, Including Current Maturities, Excluding Non-Cash Financing Obligation Liability Long term debt and capital lease obligations Refers to percentage of principal balance of the Loan will be repaid in equal monthly installments. Percentage Of Outstanding Principal Balance Of Loan Percentage of outstanding principal balance of loan Refers to the maximum amount required for repayment under second amendment agreement. Debt Instrument Maximum Amount Required for Repayment Term loan maximum amount required for repayment Refers to landlord information of Fern Park. Fern Park [Member] Fern Park [Member] Represents lease of property which represents ownership and is reflected on the entity's balance sheet as an asset. Capital Lease Property [Member] Capital Lease-Property (rate of 8.0%) [Member] Financial obligation represents to an outstanding debt that a party must still repay - and if they do not pay, they default on the debt. Finance Obligation [Member] Finance Obligation [Member] Represents number of lenders led by bank. Number of Lenders Led by Bank Number of lenders Judgment amount required against the Company to cause a breach of covenant in regards to the Term Loan. Judgment amount to cause breach of covenant A contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time, and under which borrowings outstanding may be either short-term or long-term, depending upon the particulars related to term loan A. Term Loan A [Member] Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings and for capital lease obligations for each of the five years following the date of the latest balance sheet date presented. Schedule of Maturities of Long Term Debt And Capital Lease Obligations [Table Text Block] Scheduled maturities of long-term debt and lease obligations Refers to percentage of margin against available funds in a cash collateral account maintained by the Borrowers at the Bank. Percentage of margin against available funds in cash collateral account Document and Entity Information [Abstract] Fair value portion of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. This element is for unclassified presentations; for classified presentations there is a separate and distinct element. Restricted Cash and Cash Equivalents, Fair Value Disclosure Restricted cash Fair value portion asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer. Prepaid expenses and other current assets, Fair Value Disclosure Prepaid expenses and other current assets Fair value portion of cash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements. Noncurrent restricted cash, Fair Value Disclosure Noncurrent restricted cash Fair value portion of other short-term liabilities. Other Short-Term Liabilities, Fair Value Disclosure Other short-term liabilities