Fair Value Measurements (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2026	Feb. 28, 2025	Feb. 29, 2024
Liabilities:
Impairment of flight equipment	$ 53,323	$ 19,391	$ 55,240
Recurring | Quoted Prices In Active Markets for Identical Assets (Level 1)
Assets:
Cash and cash equivalents	179,889	279,052
Assets, Fair Value Disclosure	1,806	985
Recurring | Quoted Prices In Active Markets for Identical Assets (Level 1) | Debt Securities
Assets:
Investments, Fair Value Disclosure		0
Recurring | Quoted Prices In Active Markets for Identical Assets (Level 1) | Equity Securities
Assets:
Investments, Fair Value Disclosure	1,806	985
Recurring | Significant Other Observable Inputs (Level 2)
Assets:
Cash and cash equivalents	0	0
Assets, Fair Value Disclosure	0	0
Recurring | Significant Other Observable Inputs (Level 2) | Debt Securities
Assets:
Investments, Fair Value Disclosure		0
Recurring | Significant Other Observable Inputs (Level 2) | Equity Securities
Assets:
Investments, Fair Value Disclosure	0	0
Recurring | Significant Unobservable Inputs (Level 3)
Assets:
Cash and cash equivalents	0	0
Assets, Fair Value Disclosure	3,898	8,927
Recurring | Significant Unobservable Inputs (Level 3) | Debt Securities
Assets:
Investments, Fair Value Disclosure		5,029
Recurring | Significant Unobservable Inputs (Level 3) | Equity Securities
Assets:
Investments, Fair Value Disclosure	3,898	3,898
Estimate of Fair Value Measurement | Significant Other Observable Inputs (Level 2) | Debt Securities
Assets:
Investments, Fair Value Disclosure	5,704	9,912
Estimate of Fair Value Measurement | Significant Other Observable Inputs (Level 2) | Equity Securities
Assets:
Investments, Fair Value Disclosure	728	4,916
Estimate of Fair Value Measurement | Recurring
Assets:
Cash and cash equivalents	179,889	279,052
Assets, Fair Value Disclosure	5,704	9,912
Estimate of Fair Value Measurement | Recurring | Debt Securities
Assets:
Investments, Fair Value Disclosure		5,029
Estimate of Fair Value Measurement | Recurring | Equity Securities
Assets:
Investments, Fair Value Disclosure	$ 5,704	$ 4,883