REVENUES - Schedule of Disaggregation of Revenue (Details) $ in Millions |
3 Months Ended | 9 Months Ended | ||||
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Sep. 30, 2026
USD ($)
aircraft
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Sep. 30, 2025
USD ($)
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Sep. 30, 2026
USD ($)
aircraft
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Sep. 30, 2025
USD ($)
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| Disaggregation of Revenue [Line Items] | ||||||
| Total revenues | [1] | $ 553.5 | $ 412.0 | $ 1,652.0 | $ 1,212.4 | |
| Regional jet service revenue | 465.7 | 328.3 | 1,387.1 | 968.6 | ||
| Lease revenue | 79.6 | 76.7 | 238.8 | 225.1 | ||
| Other revenue | $ 8.2 | 7.0 | $ 26.1 | 18.7 | ||
| American Airlines | ||||||
| Disaggregation of Revenue [Line Items] | ||||||
| Number of aircraft leased | aircraft | 31 | 31 | ||||
| American Airlines | ||||||
| Disaggregation of Revenue [Line Items] | ||||||
| Total revenues | $ 195.4 | 181.5 | $ 583.0 | 531.0 | ||
| Delta Air Lines | ||||||
| Disaggregation of Revenue [Line Items] | ||||||
| Total revenues | 103.4 | 102.0 | 309.6 | 306.7 | ||
| United Airlines | ||||||
| Disaggregation of Revenue [Line Items] | ||||||
| Total revenues | 246.5 | 121.5 | 733.3 | 356.0 | ||
| Other | ||||||
| Disaggregation of Revenue [Line Items] | ||||||
| Total revenues | $ 8.2 | $ 7.0 | $ 26.1 | $ 18.7 | ||
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- Definition Number Of Aircraft Leased To Partner Airlines No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of revenue that is not accounted for under Topic 606, classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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