Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 423,547	$ 865,211
Restricted cash	170,086	119,400
Short-term investment securities	117,104	112,501
Accounts receivable, net	230,079	205,468
Prepaid expenses and other current assets	276,373	209,547
Total current assets	1,217,189	1,512,127
Property and equipment:
Flight equipment	3,788,568	3,961,785
Ground property and equipment	785,265	726,364
Less accumulated depreciation	(1,274,378)	(1,169,021)
Total property and equipment, net	3,299,455	3,519,128
Operating lease right-of-use assets	4,516,298	3,561,028
Pre-delivery deposits on flight equipment	124,290	480,717
Deferred heavy maintenance, net	302,600	313,505
Other long-term assets	33,217	30,732
Total assets	9,493,049	9,417,237
Current liabilities:
Accounts payable	49,637	42,098
Air traffic liability	459,558	383,751
Current maturities of long-term debt, net, and finance leases	1,253,376	315,580
Current maturities of operating leases	255,942	224,865
Other current liabilities	521,690	705,298
Total current liabilities	2,540,203	1,671,592
Long-term debt, net and finance leases, less current maturities	1,986,735	3,055,221
Operating leases, less current maturities	4,267,577	3,298,871
Deferred income taxes	71,639	107,761
Deferred gains and other long-term liabilities	123,146	149,450
Shareholders’ equity:
Common stock	11	11
Additional paid-in-capital	1,171,856	1,158,278
Treasury stock, at cost	(81,284)	(80,635)
Retained earnings (deficit)	(587,050)	56,755
Accumulated other comprehensive income (loss)	216	(67)
Total shareholders’ equity	503,749	1,134,342
Total liabilities and shareholders’ equity	$ 9,493,049	$ 9,417,237