Borrowings from Secured and Unsecured Debt Financings (Tables)	6 Months Ended
	Aug. 31, 2023
Debt Disclosure [Abstract]
Outstanding amounts of secured and unsecured term debt financings	The outstanding amounts of our secured and unsecured debt financings were as follows: At August 31, 2023At February 28, 2023Debt ObligationOutstandingBorrowingsNumber of AircraftInterest RateFinal StatedMaturityOutstandingBorrowingsSecured Debt Financings:Term Financings(1)$922,688 38 2.36% to 7.74%09/13/24 to 06/27/32$761,283 Less: Debt issuance costs and discounts(8,824)— (8,985)Total secured debt financings, net of debt issuance costs and discounts913,864 38 752,298 Unsecured Debt Financings:5.000% Senior Notes due 2023— 5.00%04/01/23500,000 4.400% Senior Notes due 2023650,000 4.40%09/25/23650,000 Senior Notes due 2024500,000 4.125%05/01/24500,000 Senior Notes due 2025650,000 5.25%08/11/25650,000 Senior Notes due 2026650,000 4.25%06/15/26650,000 2.850% Senior Notes due 2028750,000 2.85%01/26/28750,000 6.500% Senior Notes due 2028650,000 6.50%07/18/28— Unsecured Term Loans155,000 6.90%02/27/24155,000 Revolving Credit Facilities20,000 7.21%02/28/24 to 05/24/2520,000    Less: Debt issuance costs and discounts(33,125)(32,546)Total unsecured debt financings, net of debt issuance costs and discounts3,991,875 3,842,454 Total secured and unsecured debt financings, net of debt issuance costs and discounts$4,905,739 $4,594,752         (1)The borrowings under these financings at August 31, 2023 have a weighted-average fixed rate of interest of 5.46%.