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Statistical Measurement [Domain] Statistical Measurement [Domain] Repayment of Borrowings Repayments of long-term debt Repayments of Long-Term Debt Share repurchased program, remaining authorized, amount Share Repurchase Program, Remaining Authorized, Amount 2022 Repurchase Program 2022 Repurchase Program [Member] 2022 Repurchase Program Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Prepaid Expenses Increase (Decrease) in Prepaid Expense Amazon Agreement Amazon Agreement [Member] Represents information pertaining to Amazon agreement. Cover [Abstract] Cover [Abstract] Municipal Debt Securities Debt Securities [Member] Net Increase in Cash, Cash Equivalents and Restricted Cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Subleased Aircraft Subleased Finance Lease [Member] Subleased Finance Lease Other Current Liabilities Other Liabilities, Current Trading Symbol Trading Symbol OPERATING SEGMENTS Segment Reporting Information [Line Items] Loyalty Program Liabilities Loyalty Program Liabilities, Current Value of deferred revenue or cost to provide products or services, which is expected to be recognized in income or incurred within one year or the normal operating cycle, if longer, resulting from customer loyalty program. 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Accounts Receivable Increase (Decrease) in Accounts Receivable Number of additional aircrafts Contract Assets Primarily Relate To Cost Incurred To Get Cargo Aircrafts Ready For Service, Number of Aircraft Contract Assets Primarily Relate To Cost Incurred To Get Cargo Aircrafts Ready For Service, Number of Aircraft Debt Principal Payments Long-Term Debt, Unclassified [Abstract] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Schedule of depreciation, amortization, and rent expense on aircraft Schedule of Property, Plant and Equipment Depreciation, Amortization And Rent Expenses [Table Text Block] Tabular disclosure of depreciation, amortization, and rent expense on aircraft. FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Net unrealized gains on Available-for-Sale securities, net of deferred tax expense of $18, $77, $36, and $24, respectively OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Award Timing Disclosures [Line Items] Other Performance Measure, Amount Other Performance Measure, Amount Other Service, Other [Member] Common stock, shares outstanding (in shares) Common stock, outstanding, at beginning of period (in shares) Common stock, outstanding, at end of period (in shares) Common Stock, Shares, Outstanding Operating Lease Obligations Operating Lease, Liability, Noncurrent Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Domestic UNITED STATES Dilutive effect of Stock Options, RSUs and Warrants (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Credit Card Program Credit Card Program [Member] Credit Card Program Total Other Assets Other Assets, Noncurrent Entity Tax Identification Number Entity Tax Identification Number Summary of long term debt Schedule of Long-Term Debt Instruments [Table Text Block] Common Stock Repurchases and Excise Tax (in shares) Treasury Stock, Shares, Acquired Net Cash Provided by Operating Activities Net Cash Provided by (Used in) Operating Activities SPECIAL ITEMS, NET Unusual or Infrequent Items, or Both, Disclosure [Text Block] Cash flows from Operating Activities Net Cash Provided by (Used in) Operating Activities [Abstract] Treasury Stock Treasury Stock, Common [Member] Prepaid Expenses Prepaid Expense, Current Equity Components [Axis] Equity Components [Axis] Other Current Assets Other Assets, Current Award Timing Method Award Timing Method [Text Block] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Fair Value Available-for-Sale Securities: Debt Securities, Available-for-Sale Measurement Frequency [Axis] Measurement Frequency [Axis] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Insider Trading Policies and Procedures [Line Items] Estimates and Assumptions Use of Estimates, Policy [Policy Text Block] Total Operating Expenses Costs and Expenses Non-current liability recognized Income Taxes Receivable Agreement Non-current Liability Sum of the carrying values as of the balance sheet date of the income tax receivable agreement due after one year or the normal operating cycle, if longer. Aircraft and Flight Equipment Held for Operating Lease Aircraft and Flight Equipment Held For Operating Lease [Member] Aircraft and Flight Equipment Held For Operating Lease Adjustment to Compensation, Amount Adjustment to Compensation Amount Compensation Amount Outstanding Recovery Compensation Amount 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] Entity Small Business Entity Small Business Company Selected Measure Amount Company Selected Measure Amount Geographical [Axis] Geographical [Axis] Movement in Property, Plant and Equipment [Roll Forward] Movement in Property, Plant and Equipment [Roll Forward] Payments of debt issuance costs Payments of Debt Issuance Costs Tabular List, Table Tabular List [Table Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Air Traffic Liabilities Air Traffic Liabilities, Current The value of air transportation services sold but as yet unused by the passenger, including sales for air transportation to be provided by the reporting air carrier and air transportation to be provided by another air carrier for whom sales were made. Used to reflect the current portion of the liability (within one year or within the normal operating cycle if longer). 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] Warrants issued (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Debt Securities, Available-for-Sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Number of aircraft financed by debt Number Of Aircraft Financed by Debt Issuance Number Of Aircraft Financed by Debt Issuance Antidilutive securities excluded from computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Stocks repurchased (in shares) Stocks Repurchased During Period, Shares, Total Stocks Repurchased During Period, Shares, Total Loyalty Program Liabilities Loyalty Program Liabilities, Noncurrent Value of deferred revenue or cost to provide products or services, which is expected to be recognized in income or incurred after one year or beyond the normal operating cycle, if longer, resulting from customer loyalty program. Accelerated share repurchases (in dollars per share) Accelerated Share Repurchases, Initial Price Paid Per Share Credit Facility [Domain] Credit Facility [Domain] Cash, Cash Equivalents and Restricted Cash--Beginning of the Period Cash, Cash Equivalents and Restricted Cash--End of the Period Total Cash, Cash Equivalents and Restricted Cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Weighted average interest rate Debt, Weighted Average Interest Rate Loyalty Program Liabilities Increase (Decrease) In Loyalty Program Liabilities The increase (decrease) during the period in the amount of loyalty program liabilities. Current Assets: Assets, Current [Abstract] Goodwill Goodwill Cargo Cargo Segment [Member] Represents information pertaining to cargo segment. Other Comprehensive Income (Loss), Net of Tax [Abstract] Repurchase program, authorized amount Share Repurchase Program, Authorized, Amount Certificates of Deposit Debt Securities Treasury stock (in shares) Treasury Stock, at beginning of period (in shares) Treasury Stock, at end of period (in shares) Treasury Stock, Common, Shares Loyalty Program Liabilities Loyalty Program Liabilities Loyalty Program Liabilities [Member] Represents information pertaining to loyalty program liabilities. Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Product and Service [Domain] Product and Service [Domain] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Debt Securities, Available-for-Sale [Table] Debt Securities, Available-for-Sale [Table] Depreciation Depreciation Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Amazon Contract Amazon Deferred Start Up Costs [Member] Represents information pertaining to amazon deferred start-up costs. Other, net Proceeds from (Payments for) Other Financing Activities Comprehensive Income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Aircraft and Flight Equipment Air Transportation Equipment [Member] Warrants Warrant [Member] Security Exchange Name Security Exchange Name Margin (as a percent) Debt Instrument, Basis Spread on Variable Rate Award Type Award Type [Axis] Collective bargaining agreement term Unusual or Infrequent Item, or Both, Collective Bargaining Agreement Term Unusual or Infrequent Item, or Both, Collective Bargaining Agreement Term Corporate Debt Securities Corporate Debt Securities Corporate Debt Securities [Member] Proceeds from the Maturities of Investments Proceeds from Maturity of Investments Proceeds from Maturity of Investments Total Liabilities Liabilities Salaries, Wages, and Benefits Labor and Related Expense Grant Whitney [Member] Grant Whitney Other Assets Other Assets, Miscellaneous, Noncurrent Common stock-par value (in dollars per share) Common Stock, Par or Stated Value Per Share Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Summary of debt securities by major security type Debt Securities, Available-for-Sale [Table Text Block] Revolving Credit Facility Revolving Credit Facility [Member] Expiration Date Trading Arrangement Expiration Date Depreciation amortization and aircraft rent Depreciation, Amortization And Rental Expenses Amount of depreciation, amortization and aircraft rent expenses. Cash Flows Provided by Investing Activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Other Assets: Other Assets [Abstract] Operating Lease Obligations Operating Lease, Liability, Current Total Shareholder Return Amount Total Shareholder Return Amount Common stock, shares issued (in shares) Common Stock, Shares, Issued Thereafter Long Term Debt Maturities Repayments Of Principal After Year Four Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fourth fiscal year following current fiscal year. Retired aircraft Contract Assets Primarily Relate To Cost Incurred To Get Cargo Aircrafts Ready For Service, Aircraft Retired Contract Assets Primarily Relate To Cost Incurred To Get Cargo Aircrafts Ready For Service, Aircraft Retired Tax Receivable Agreement Payment Payments For Tax Receivable Agreement Liability Payments For Tax Receivable Agreement Liability Aircraft Acquired from the Exercise of Finance Lease Purchase Option, net of Accumulated Depreciation Property, Plant, and Equipment Acquired Through Finance Leases, Net of Accumulated Depreciation Property, Plant, and Equipment Acquired Through Finance Leases, Net of Accumulated Depreciation Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Maintenance Rights Asset Converted to Accounts Receivable upon End of Lease Maintenance Rights Asset Converted to Accounts Receivable upon End of Lease Maintenance Rights Asset Converted to Accounts Receivable upon End of Lease Computer Hardware and Software Computer Equipment [Member] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Property & Equipment, net: Property, Plant and Equipment, Gross Thereafter Long-Term Debt Gross, Maturity, After Year Four Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt, maturing after fourth fiscal year following current fiscal year. DEBT Debt Instrument [Line Items] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Accumulated Depreciation & Amortization Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Revenue from maintenance rights asset Revenue from Maintenance Rights Asset Revenue from Maintenance Rights Asset Diluted (in shares) Weighted Average Common Shares Outstanding - Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Cargo Cargo and Freight [Member] Other Comprehensive Income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Total Stockholders' Equity Balances, at beginning of period Balances, at end of period Equity, Attributable to Parent Operating Lease Obligations Increase (Decrease) In Operating Lease Liabilities The increase (decrease) during the period in the amount of operating lease liabilities. Number of aircraft owned and refinanced Number of Aircraft Owned And Refinanced Number of Aircraft Owned And Refinanced Interest Expense Interest Expense Interest Expense, Nonoperating Maintenance Rights Asset Capitalized into Aircraft and Flight Equipment upon End of Lease Property Plant And Equipment, Maintenance Rights Asset Capitalized into Aircraft and Flight Equipment upon End of Lease Property Plant And Equipment, Maintenance Rights Asset Capitalized into Aircraft and Flight Equipment upon End of Lease Deferred Income Taxes Deferred Income Tax Expense (Benefit) AIRCRAFT Property, Plant and Equipment Disclosure [Text Block] Term Loan Term Loan [Member] Term Loan Other Comprehensive Income (Loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Recurring Fair Value, Recurring [Member] Accounts Receivable, net of an allowance for credit losses of $464 and $617, respectively Accounts Receivable, after Allowance for Credit Loss, Current John Gyurci September 8, 2025 Plan [Member] John Gyurci September 8, 2025 Plan Sale of Stock [Domain] Sale of Stock [Domain] Net Debt Long-Term Debt Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Summary of assets and liabilities measured at fair value on a recurring basis Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Document Fiscal Period Focus Document Fiscal Period Focus 2029 Long-Term Debt, Maturity, Year Four All Executive Categories All Executive Categories [Member] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] ASSETS Assets [Abstract] Other Comprehensive Income Other Comprehensive Income (Loss), Net of Tax Restricted Cash Restricted Cash, Current Document Type Document Type Debt instrument, interest rate, effective percentage Debt Instrument, Interest Rate, Effective Percentage Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Summary of financial information for the operating segments Schedule of Segment Reporting Information, by Segment [Table Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Expiry terms aircraft Contract Assets Primarily Relate To Cost Incurred To Get Cargo Aircrafts Ready For Service, Number of Aircrafts under the Lease Expiry Terms Contract Assets Primarily Relate To Cost Incurred To Get Cargo Aircrafts Ready For Service, Number of Aircrafts under the Lease Expiry Terms Summary of contract assets and liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Maximum Maximum [Member] Thereafter Debt Issuance Costs, Future Amortization, After Year Four Amount of amortization of debt issuance costs expected to be recognized after fourth fiscal year following current fiscal year. Total Contract Liabilities Balance – January 1 Balance – September 30 Contract with Customer, Liability Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Accounts Payable Accounts Payable, Current Operating Revenues: Revenues [Abstract] 2022-1 EETC 2022-1 EETC Agreement Notes Payable [Member] 2022-1 EETC Agreement Notes Payable Ground Equipment and Leasehold Improvements Leasehold Improvements [Member] Maintenance Maintenance Aircraft Maintenance, Materials, and Repairs Current Fiscal Year End Date Current Fiscal Year End Date Investments Short-Term Investments Statistical Measurement [Axis] Statistical Measurement [Axis] PEO Name PEO Name Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income Before Income Tax Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Stock Issued for Stock-Based Awards (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount All Award Types Award Type [Domain] Name Outstanding Recovery, Individual Name REVENUE Disaggregation of Revenue [Line Items] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Non-PEO NEO Non-PEO NEO [Member] Additional Paid-in Capital Additional Paid-in Capital [Member] Owned Aircraft Held for Operating Lease Aircraft Held for Operating Lease [Member] Aircraft Held for Operating Lease Finance Lease Obligations Finance Lease, Liability, Noncurrent Expiration period Line of Credit Facility, Expiration Period Award Timing Predetermined Award Timing Predetermined [Flag] Class of Stock [Line Items] Class of Stock [Line Items] Recently Issued Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Diluted (in dollars per share) Diluted earnings per share (in dollars per share) Earnings Per Share, Diluted Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Name Measure Name Secondary Public Stock Offering Secondary Public Stock Offering [Member] Secondary Public Stock Offering Entity Interactive Data Current Entity Interactive Data Current Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Aircraft Acquired under Finance Lease Property Plant And Equipment Acquired Through Finance Leases The amount of property, plant and equipment acquired through finance leases. Number of operating segments Number of Operating Segments Other Property Other Property [Member] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Loyalty Points Earned Contract with Customer, Liability, Increase From Loyalty Points Earned The amount of increase in contract with customer liability due to loyalty points earned during period. Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Sales and Marketing Selling and Marketing Expense Ground Handling Ground Handling Expense The amount of expenses incurred on ground handling for aircraft during the reporting period. Aircraft [Domain] Aircraft [Domain] Proceeds from the Sale of Property & Equipment Proceeds from Sale of Property, Plant, and Equipment 2019-1 EETC 2019-1 EETC Agreement Notes Payable [Member] Represents information pertaining to notes payable under the Company's 2019-1 EETC agreement. Income Tax Expense Income Tax Expense (Benefit) Aircraft Type [Axis] Aircraft Type [Axis] Non-operating Income (Expense): Nonoperating Income (Expense) [Abstract] Interest rate Debt Instrument, Interest Rate, Stated Percentage Short-term Lessor Maintenance Deposits Deposits Assets, Current Amazon Warrants Adjustments to Additional Paid in Capital, Warrant Issued Non-cash transactions: Supplemental Cash Flow Information [Abstract] Number of used aircrafts purchased or refinanced Number Of Used Aircrafts Purchased Or Refinanced Number of used aircraft financed or refinanced during the period with the proceeds from debt instrument. Total Operating Revenues Operating Revenues Revenue from Contract with Customer, Excluding Assessed Tax Total Non-operating Expense, net Nonoperating Income (Expense) Interest costs capitalized Interest Costs Capitalized Effective tax rate Effective Income Tax Rate Reconciliation, Percent Net Cash Provided by Investing Activities Net Cash Provided by (Used in) Investing Activities Operating Income Operating Income (Loss) Scheduled Service Scheduled Service [Member] Represents information pertaining to scheduled service. Passenger Passenger [Member] Total Liabilities and Stockholders' Equity Liabilities and Equity Number of aircrafts financed Number of Aircrafts Financed Number of Aircrafts Financed Other, net Other Operating Activities, Cash Flow Statement SUBSEQUENT EVENTS Subsequent Events [Text Block] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] All Adjustments to Compensation All Adjustments to Compensation [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Accrued Salaries, Wages, and Benefits Employee-related Liabilities, Current Additional Paid-In Capital Additional Paid in Capital Amazon warrants (in shares) Warrants Issued Warrants Issued Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Interest Income Investment Income, Interest 2029 Debt Issuance Costs, Future Amortization, Year Four Amount of amortization of debt issuance costs expected to be recognized in fourth fiscal year following current fiscal year. Schedule of future maturities of the outstanding debt Schedule of Maturities of Long-Term Debt [Table Text Block] Changes to Finance Lease Assets due to Lease Modifications Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Underlying Security Market Price Change Underlying Security Market Price Change, Percent Individual: Individual [Axis] Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Inventory, net of a reserve for obsolescence of $1,081 and $784, respectively Inventory, Net U.S. Government Agency Securities U.S. Government Agency Securities US Government Agencies Debt Securities [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Product and Service [Axis] Product and Service [Axis] Entity Address, State or Province Entity Address, State or Province AIRCRAFT - Owned and Leased Property, Plant and Equipment [Line Items] Statement [Line Items] Statement [Line Items] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Operating Expenses: Operating Expenses [Abstract] Summary of aircraft fleet activity Property, Plant and Equipment [Table Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Available-for-Sale Securities: Financial Instruments [Domain] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Income tax examination, estimate of possible loss Income Tax Examination, Estimate of Possible Loss Minimum Minimum [Member] Restatement Determination Date Restatement Determination Date Rental Revenue Other Revenue, Rental Revenue [Member] Other Revenue, Rental Revenue Adoption Date Trading Arrangement Adoption Date Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Operating Lease Right-of-use Assets Operating Lease, Right-of-Use Asset Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Aircraft Fuel Fuel Costs 2028 Long-Term Debt Gross, Maturity, Year Three Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt, maturing in third fiscal year following current fiscal year. Segments [Axis] Segments [Axis] 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] Other Income Other Income [Member] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Long-term debt, gross Total Debt Total Long-Term Debt, Gross Exercise Price Award Exercise Price Change in Contract with Customer, Liability [Roll Forward] Change in Contract with Customer, Liability [Roll Forward] Change in Contract with Customer, Liability EARNINGS PER SHARE Earnings Per Share [Text Block] Arrangement Duration Trading Arrangement Duration Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Segments [Domain] Segments [Domain] 2028 Debt Issuance Costs, Future Amortization, Year Three Amount of amortization of debt issuance costs expected to be recognized in third fiscal year following current fiscal year. Rotable Parts Rotable Parts [Member] Represents the information pertaining to rotable parts related to the airline industry. Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] All Individuals All Individuals [Member] Number of aircraft with expiring lease term Property, Plant and Equipment, Number of Aircraft with Expiring Lease Term Property, Plant and Equipment, Number of Aircraft with Expiring Lease Term Removals Property, Plant and Equipment, Number of Aircraft Sold PEO PEO [Member] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Number of aircraft of finance lease Number of Aircraft Finance Lease Number of Aircraft Finance Lease Name Trading Arrangement, Individual Name Other, net Other Nonoperating Income (Expense) Minimum liquidity required to be maintained Debt Instrument, Financial Covenant, Minimum Liquidity The amount of minimum liquidity required to be maintained under the financial covenant of the debt instrument. Aircraft Deposits Aircraft Lease Deposits Amount of asset related to aircraft lease deposits. Statement of Stockholders' Equity [Abstract] Other Intangible Assets, net of accumulated amortization of $33,411 and $29,903, respectively Intangible Assets, Net (Excluding Goodwill) Warrants vested (in shares) Warrants Vested During Period Number of warrants vested during period. Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Treasury stock, at cost, 7,817,027 and 6,343,006 shares held at September 30, 2025 and December 31, 2024, respectively Treasury Stock, Common, Value Remainder of 2025 Long-Term Debt, Maturity, Remainder of Fiscal Year Commitment fee percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Term of agreement (in years) Term Of Agreement Term of agreement. 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] Warrants, outstanding, at beginning of period (in shares) Warrants, outstanding, at end of period (in shares) Shares, Outstanding Cash and Cash Equivalents Cash and Cash Equivalents, Fair Value Disclosure Total Long-term Liabilities Liabilities, Noncurrent Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Notes payable under the Company's 2019-1 EETC agreement Notes payable under the Company's 2019-1 EETC agreement Represents information pertaining to notes payable under the Company's 2019-1 EETC agreement. Finance leases Aircrafts Under Finance Leases [Member] Represents information pertaining to aircrafts under finance leases. Property, Plant and Equipment, Number of Aircraft Leased Property, Plant and Equipment, Number of Aircraft Leased Property, Plant and Equipment, Number of Aircraft Leased John Gyurci September 12, 2025 Plan [Member] John Gyurci September 12, 2025 Plan Local Phone Number Local Phone Number Amazon Contract Costs To Fulfill Contract With Amazon [Member] Represents information pertaining to costs to fulfill contract with Amazon. Liability Class [Axis] Liability Class [Axis] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Payroll related tax expense Unusual or Infrequent Item, or Both, Tax Effect Deferred Tax Liability Deferred Income Tax Liabilities, Net Other Other Countries [Member] Represents information pertaining to other countries. Property, plant and equipment, number of aircraft refinanced Property, Plant and Equipment, Number of Aircraft Refinanced Property, Plant and Equipment, Number of Aircraft Refinanced Changes in Operating Assets and Liabilities: Increase (Decrease) in Operating Capital [Abstract] Long-term Liabilities: Liabilities, Noncurrent [Abstract] PEO Total Compensation Amount PEO Total Compensation Amount Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Offering expenses Payments of Stock Issuance Costs COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Common Stock Common Stock [Member] Measure: Measure [Axis] Stock Issued for Stock-Based Awards Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Asset Class [Domain] Asset Class [Domain] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Secondary public offering (in shares) Stock Issued During Period, Shares, New Issues Line of Credit Line of Credit [Member] Entity Emerging Growth Company Entity Emerging Growth Company Reclassifications Property Plant And Equipment, Number Of Aircraft Reclassified Property Plant And Equipment, Number Of Aircraft Reclassified Segment Reporting [Abstract] Segment Reporting [Abstract] Entity Central Index Key Entity Central Index Key Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Finance Lease Assets Finance Lease, Right-of-Use Asset, after Accumulated Amortization STOCKHOLDERS' EQUITY Equity [Text Block] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Equity Component [Domain] Equity Component [Domain] Preferred stock-par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Available-for-Sale Securities: Financial Instrument [Axis] Passenger Passenger Segment [Member] Represents information pertaining to passenger segment. OPERATING SEGMENTS Segment Reporting Disclosure [Text Block] Current Maturities of Long-term Debt, net Less: Current Maturities of Long-term Debt, net Long-Term Debt, Current Maturities Schedule of change in contract with customer, liability Schedule Of Change in Contract with Customer, Liability [Table Text Block] Tabular disclosure of changes in contract with customer liability. Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Stock-based Compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Entity Shell Company Entity Shell Company Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code 2023 Term Loan Facility 2023 Term Loan Facility [Member] 2023 Term Loan Facility Title Trading Arrangement, Individual Title Statement [Table] Statement [Table] Charter Charter Service [Member] Represents information pertaining to charter service. Measurement Frequency [Domain] Measurement Frequency [Domain] City Area Code City Area Code Current Liabilities: Liabilities, Current [Abstract] Landing Fees and Airport Rent Landing Fees and Other Rentals Total Property & Equipment Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Level 1 Fair Value, Inputs, Level 1 [Member] Income Tax Receivable Agreement Liability Income Taxes Receivable Agreement, Noncurrent Sum of the carrying values as of the balance sheet date of the income tax receivable agreement due after one year or the normal operating cycle, if longer. Total Current Assets Assets, Current Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss Owned Aircraft Held for Operating Lease Aircrafts Held For Operating lease [Member] Aircrafts Held For Operating lease Accrued Transportation Taxes Increase (Decrease) in Accrued Taxes Payable Remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Common Stock Repurchases Payments for Repurchase of Common Stock 2028 Long-Term Debt, Maturity, Year Three Unusual or Infrequent Items, or Both [Abstract] Unusual or Infrequent Items, or Both [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Boeing 737-800 B-737-800 [Member] Long-term Debt, net Total Long-term Debt, net Long-Term Debt, Excluding Current Maturities Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] INCOME TAXES Income Tax Disclosure [Text Block] INVESTMENTS Investment [Text Block] Net Income per share to common stockholders: Earnings Per Share [Abstract] Earnings Per Share [Abstract] Numerator: Net Income (Loss) Attributable to Parent [Abstract] Equity [Abstract] Accrued Transportation Taxes Accrual for Taxes Other than Income Taxes, Current Owned Owned Aircrafts [Member] Represents information pertaining to owned aircrafts. Retained Earnings Retained Earnings (Accumulated Deficit) Inventory Increase (Decrease) in Inventories 2027 Long-Term Debt, Maturity, Year Two 2029 Long-Term Debt Gross, Maturity, Year Four Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt, maturing in fourth fiscal year following current fiscal year. Organization, Consolidation and Presentation of Financial Statements [Abstract] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Adjustments Equity Awards Adjustments [Member] Net Cash Used in Financing Activities Net Cash Provided by (Used in) Financing Activities Underlying Securities Award Underlying Securities Amount Credit Facility [Axis] Credit Facility [Axis] Amendment Flag Amendment Flag Fair value Long-Term Debt, Fair Value Entity Registrant Name Entity Registrant Name Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Depreciation and Amortization Depreciation and Amortization Depreciation, Depletion and Amortization Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Fair Value as of Grant Date Award Grant Date Fair Value Class of warrant or right, vested Class Of Warrant Or Right, Vested Number of warrants vested during period. Amortization Finance Lease, Right-of-Use Asset, Amortization Subsequent Events [Abstract] Subsequent Events [Abstract] Level 2 Fair Value, Inputs, Level 2 [Member] Less: Unamortized debt issuance costs Total Debt Issuance Costs, Net DEBT Debt Disclosure [Text Block] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Stockholders' Equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] 2026 Long-Term Debt Gross, Maturity, Year One Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt, maturing in next fiscal year following current fiscal year. Geographical [Domain] Geographical [Domain] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Face amount Debt Instrument, Face Amount Schedule of significant categories comprising operating revenues Disaggregation of Revenue [Table Text Block] John Gyurci [Member] John Gyurci Air Traffic Liabilities Air Traffic Liabilities [Member] Represents information pertaining to air traffic liabilities. Ancillary Ancillary [Member] Represents information pertaining to ancillary. Entity Address, Postal Zip Code Entity Address, Postal Zip Code Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Principles of Consolidation Consolidation, Policy [Policy Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Notes payable Notes Payable, Other Payables [Member] Title of 12(b) Security Title of 12(b) Security Common stock, with $0.01 par value, 995,000,000 shares authorized, 60,531,661 and 59,500,970 issued and 52,714,634 and 53,157,964 outstanding at September 30, 2025 and December 31, 2024, respectively Common Stock, Value, Issued Amortization of Debt Issuance Costs Debt Issuance Costs, Net [Abstract] Credit card program, payment received Credit Card Program, Payment Received Credit Card Program, Payment Received Remainder of 2025 Long-Term Debt Gross, Maturity, Remainder of Fiscal Year Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt, maturing in remainder of current fiscal year. Minimum adjusted EBITDAR Debt Instrument, Financial Covenant, Minimum Adjusted EBITDAR Debt Instrument, Financial Covenant, Minimum Adjusted EBITDAR Cash and Cash Equivalents Cash and Cash Equivalents, at Carrying Value Other, net Payments for (Proceeds from) Other Investing Activities Other Liabilities Increase (Decrease) in Other Current Liabilities Certificates of Deposit Certificates of Deposit [Member] 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] Gain (loss) on extinguishment of debt Gain (Loss) on Extinguishment of Debt Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Cash Flows Used in Financing Activities: Net Cash Provided by (Used in) Financing Activities [Abstract] 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] Preferred stock, with $0.01 par value, 5,000,000 shares authorized, no shares issued and outstanding at September 30, 2025 and December 31, 2024, respectively Preferred Stock, Value, Issued 2026 Debt Issuance Costs, Future Amortization, Year One Amount of amortization of debt issuance costs expected to be recognized in next fiscal year following current fiscal year. Net Debt Long-Term Debt, Fiscal Year Maturity [Abstract] Basic (in dollars per share) Basic earnings per share (in dollars per share) Earnings Per Share, Basic Debt covenant collateral coverage ratio Debt Covenant Collateral Coverage Ratio Debt Covenant Collateral Coverage Ratio Accounts Payable Increase (Decrease) in Accounts Payable Long-term Lessor Maintenance Deposits Deposits Assets, Noncurrent Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Total Property & Equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Repayment of Finance Lease Obligations Finance Lease, Principal Payments Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Total Current Liabilities Liabilities, Current 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] Shares used for computation: Denominator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Total Assets Assets 2027 Debt Issuance Costs, Future Amortization, Year Two Amount of amortization of debt issuance costs expected to be recognized in second fiscal year following current fiscal year. Purchases of Property & Equipment Payments to Acquire Property, Plant, and Equipment Other Long-term Liabilities Other Liabilities, Noncurrent Income Tax Receivable Agreement Liability Income tax receivable agreement liability Income Tax Receivable Agreement Liability, Current Income Tax Receivable Agreement Liability, Current Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount REVENUE Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Commitments and Contingencies (see Note 11) Commitments and Contingencies Line of credit facility, amount available Line of Credit Facility, Amount Available Line of Credit Facility, Amount Available Termination Date Trading Arrangement Termination Date Remainder of 2025 Debt Issuance Costs, Future Amortization, Reminder Of Fiscal Year Amount of amortization of debt issuance costs expected to be recognized in remainder of current fiscal year. BASIS OF PRESENTATION Nature of Operations [Text Block] Exercise price (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights FAIR VALUE MEASUREMENTS Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] 2026 Long-Term Debt, Maturity, Year One Air Traffic Liabilities Increase (Decrease) In Air Traffic Liabilities The increase (decrease) during the period in the amount of air traffic liabilities. Number of cargo aircraft Contract Assets Primarily Relate To Cost Incurred To Get Cargo Aircrafts Ready For Service, Number The contract assets primarily relate to cost incurred to get this number of cargo aircraft ready for service. Schedule of operating revenues by geographic region Revenue from External Customers by Geographic Areas [Table Text Block] Entity Address, City or Town Entity Address, City or Town Proceeds from Borrowings Proceeds from Issuance of Long-Term Debt Debt Instrument [Axis] Debt Instrument [Axis] Net Income Net Income Net Income Net Income (Loss) Attributable to Parent Other Operating, net Other Operating, net Other Operating Income (Expense), Net Trading Arrangement: Trading Arrangement [Axis] Investments, Debt and Equity Securities [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Property & Equipment, net: Property, Plant and Equipment, Net [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] Entity File Number Entity File Number B-737-900 B-737-900 [Member] REVENUE Revenue from Contract with Customer [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Common Stock Repurchases and Excise Tax Offering price total Treasury Stock, Value, Acquired, Cost Method Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Total Assets Measured at Fair Value on a Recurring Basis Assets, Fair Value Disclosure Name Forgone Recovery, Individual Name Document Period End Date Document Period End Date Sale of Stock [Axis] Sale of Stock [Axis] Number of aircraft Balance at beginning of period Balance at end of period Property, Plant and Equipment, Number of Aircraft Outstanding Number of aircrafts outstanding. Inventory, reserve for obsolescence Inventory Valuation Reserves Finance Lease Obligations Finance Lease, Liability, Current Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Lessor Maintenance Deposits Increase (Decrease) in Lessor Maintenance Deposits The increase (decrease) during the period in the amount of lessor maintenance deposits money paid in advance for goods or services that bring economic benefits for future periods. Asset Class [Axis] Asset Class [Axis] Insider Trading Arrangements [Line Items] Contract Assets Contract with Customer, Asset, after Allowance for Credit Loss Number of aircrafts unencumbered Number of Aircrafts Unencumbered Number of Aircrafts Unencumbered Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Other Assets Increase (Decrease) in Other Current Assets PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Revenue recognized Loyalty Points Redeemed Contract with Customer, Liability, Revenue Recognized 2027 Long-Term Debt Gross, Maturity, Year Two Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt, maturing in second fiscal year following current fiscal year. Adjustment to Compensation: Adjustment to Compensation [Axis] Special Items, net Unusual or Infrequent Item, or Both, Net (Gain) Loss Document Transition Report Document Transition Report Document Quarterly Report Document Quarterly Report Aircrafts Operated For Amazon Aircrafts Operated For Amazon [Member] Represents information pertaining to aircrafts operated for amazon. Latin America Latin America [Member] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Current Reporting Status Entity Current Reporting Status Retained Earnings Retained Earnings [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Basic (in shares) Weighted Average Common Shares Outstanding - Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Deferred tax expense OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax Cargo Cargo Aircraft [Member] Represents information pertaining to cargo aircrafts. Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Executive Category: Executive Category [Axis] Purchases of Investments Payments to Acquire Investments Name Awards Close in Time to MNPI Disclosures, Individual Name Entity Filer Category Entity Filer Category Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Company Selected Measure Name Company Selected Measure Name