Fair Value Measurements - Narrative (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2025 USD ($)	Nov. 30, 2024 USD ($)	Nov. 30, 2025 USD ($) Lessee	Nov. 30, 2024 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Transfers, net			$ 0
Impairment of flight equipment	$ 15,710	$ 8,419	51,929	$ 19,391
Gain on sale or disposition of flight equipment	5,443	20,483	59,621	56,909
Revenue from contract with customer, excluding assessed tax	236,422	$ 193,576	$ 723,776	615,417
Number of Customers Entering Bankruptcy | Lessee			2
Proceeds from Insurance Settlement, Investing Activities	6,600		$ 62,324	$ 0
Transactional
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impairment of flight equipment			16,000
Customer Bankruptcy
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impairment of flight equipment	13,500		35,900
Maintenance Payments | Transactional
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Revenue from contract with customer, excluding assessed tax	4,100		22,700
Maintenance Payments | Customer Bankruptcy
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 6,600		$ 11,500