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INVESTMENTS - Narrative (Details) $ in Thousands |  | 1 Months Ended | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
May 03, 2024 USD ($) | Aug. 31, 2019 USD ($) | Mar. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Nov. 30, 2021 aircraft | Dec. 31, 2016 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Investments |  |  | $ 31,400 | $ 19,048 |  |
Number of aircrafts | aircraft |  |  |  |  | 1 |
Assets |  |  | 4,268,144 | 4,037,952 |  |
Liabilities |  |  | 4,239,811 | 3,956,584 |  |
Consolidated VIE |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Assets |  |  | 0 | 0 |  |
Liabilities |  |  | 0 | 0 |  |
Falcon MSN 177 LLC |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Payments to acquire asset | $ 800 |  |  |  |  |
Advanced Engine Repair JV |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Investments |  |  | $ 19,161 | 19,048 |  | $ 15,000
Ownership percentage |  | 25.00% | 25.00% |  |  | 25.00%
Equity method investment contribution amount |  | $ 13,500 |  |  |  |
Falcon MSN 177 LLC |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Ownership percentage |  |  |  |  | 50.00% |
2025 Partnership |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Investments |  |  | $ 12,239 | $ 0 |  |
Ownership percentage |  |  | 20.00% |  |  |
Equity method investment contribution amount |  |  | $ 20,000 |  |  |

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