CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
CURRENT ASSETS:
Cash and cash equivalents	$ 122,673	$ 227,362
Marketable securities	584,236	574,266
Receivables, net	159,803	122,778
Inventories, net	168,547	139,002
Other current assets	55,935	53,659
Total current assets	1,091,194	1,117,067
PROPERTY AND EQUIPMENT:
Aircraft and rotable spares	9,302,510	8,774,570
Deposits on aircraft	100,000	65,612
Buildings, ground equipment and other	328,401	292,682
Total property and equipment, gross	9,730,911	9,132,864
Less-accumulated depreciation and amortization	(3,887,943)	(3,545,456)
Total property and equipment, net	5,842,968	5,587,408
OTHER ASSETS:
Operating lease right-of-use assets	81,943	87,731
Long-term receivables and other assets	370,144	347,661
Total other assets	452,087	435,392
Total assets	7,386,249	7,139,867
CURRENT LIABILITIES:
Current maturities of long-term debt	546,812	535,589
Accounts payable and accrued liabilities	633,633	527,351
Accrued salaries, wages and benefits	240,954	226,770
Current maturities of operating lease liabilities	19,629	20,467
Taxes other than income taxes	22,694	22,581
Other current liabilities	203,886	96,833
Total current liabilities	1,667,608	1,429,591
LONG-TERM DEBT, net of current maturities	1,845,272	2,136,786
DEFERRED INCOME TAXES PAYABLE	910,731	787,968
NONCURRENT OPERATING LEASE LIABILITIES	62,314	67,264
OTHER LONG-TERM LIABILITIES	153,891	309,477
COMMITMENTS AND CONTINGENCIES (Note 5)
STOCKHOLDERS' EQUITY:
Preferred stock, 5,000,000 shares authorized; none issued
Common stock, no par value, 120,000,000 shares authorized; 84,270,723 and 83,638,680 shares issued as of December 31, 2025 and December 31, 2024, respectively	798,470	777,090
Retained earnings	3,022,507	2,594,173
Treasury stock, at cost, 44,399,241 and 43,310,324 shares as of December 31, 2025 and December 31, 2024, respectively	(1,074,822)	(962,650)
Accumulated other comprehensive income	278	168
Total stockholders' equity	2,746,433	2,408,781
Total liabilities and stockholders' equity	$ 7,386,249	$ 7,139,867