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Republic Airways Holdings Inc. [Member] Republic Airways Holdings Inc. 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Customer [Domain] Customer [Domain] U.S. Treasury Warrants Warrants Policy [Policy Text Block] Warrants Policy LEASES Lessee, Operating Leases [Text Block] NET INCOME PER COMMON SHARE—BASIC (in dollars per share) Basic (in dollars per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Contract liability, current Contract with Customer, Liability, Current Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Award Type Award Type [Axis] 2026 Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year Warrants issued (in shares) Class Of Warrant Or Right, Issued Class Of Warrant Or Right, Issued Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Receivables Accounts Receivable, after Allowance for Credit Loss, Current Accumulated earnings Retained Earnings (Accumulated Deficit) Aggregate Change in Present Value of 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[Abstract] Thereafter Lessor, Operating Lease, Payment To Be Received, After Year Four Lessor, Operating Lease, Payment To Be Received, After Year Four Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Concentration risk, percentage Concentration Risk, Percentage Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] 2027 Unrecorded Unconditional Purchase Obligation, to be Paid, Year One Equity Awards Adjustments Equity Awards Adjustments [Member] Schedule of Future Contractual Obligations Unrecorded Unconditional Purchase Obligations Disclosure [Table Text Block] TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity Adjusted net debt settlement Business Acquisition, Adjusted Net Debt Settlement Business Acquisition, Adjusted Net Debt Settlement Employee Stock Option Share-Based Payment Arrangement, Option [Member] Number of aircraft under commitment to purchase Number Of Aircraft 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credits received from aircraft and engine manufacturers Noncash Parts Credits Received From Aircraft And Engine Manufacturers Noncash Parts Credits Received From Aircraft And Engine Manufacturers Purchases of marketable securities and 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] Schedule of Aircraft Schedule Of Aircraft Commitment [Table Text Block] Schedule Of Aircraft Commitment Number of director designated Business Combination, Number of Directors Designated To Board Business Combination, Number of Directors Designated To Board Modified and vested (in dollars per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Modified And Vested In Period, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement By 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Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Measurement Period Adjustments, Other non-current liabilities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Liability, Noncurrent Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Liability, Noncurrent Depreciation and amortization Depreciation, Depletion and Amortization 2030 Unrecorded Unconditional Purchase Obligation, to be Paid, Year Four Executive separation Executive Separation [Member] Executive Separation Equity securities, measurement input Equity Securities, FV-NI, Measurement Input CURRENT ASSETS: Assets, Current [Abstract] Measurement Input, Implied Volatility Measurement Input, Implied Volatility [Member] Measurement Input, Implied Volatility Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value INCOME TAX EXPENSE Income Tax Expense (Benefit) Number of aircraft leased Number Of Aircraft Leased To Partner Airlines Number Of Aircraft Leased To Partner Airlines Percentage of shares granted Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Percentage E175 E-175 [Member] E-175 Customer Concentration Risk Customer Concentration Risk [Member] Award Timing Method Award Timing Method [Text Block] NET CHANGES IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH Cash, Cash Equivalent, Restricted Cash, and Restricted Cash 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Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment 2026 Unrecorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year Unusual or Infrequent Item, or Both [Line Items] Unusual or Infrequent Item, or Both [Line Items] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Other current assets Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Current Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract]