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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
CURRENT ASSETS: |  |
Cash and cash equivalents | $ 148,277 | $ 102,984
Marketable securities | 686,946 | 944,231
Receivables, net | 82,854 | 100,523
Inventories, net | 127,114 | 123,209
Other current assets | 86,705 | 100,334
Total current assets | 1,131,896 | 1,371,281
PROPERTY AND EQUIPMENT: |  |
Aircraft and rotable spares | 8,323,107 | 8,143,614
Deposits on aircraft | 77,282 | 23,931
Buildings and ground equipment | 282,398 | 265,019
Total property and equipment, gross | 8,682,787 | 8,432,564
Less-accumulated depreciation and amortization | (3,199,820) | (2,884,084)
Total property and equipment, net | 5,482,967 | 5,548,480
OTHER ASSETS: |  |
Operating lease right-of-use assets | 86,727 | 151,928
Long-term receivables and other assets | 324,703 | 342,864
Total other assets | 411,430 | 494,792
Total assets | 7,026,293 | 7,414,553
CURRENT LIABILITIES: |  |
Current maturities of long-term debt | 443,869 | 438,502
Accounts payable | 470,251 | 422,001
Accrued salaries, wages and benefits | 194,881 | 186,285
Current maturities of operating lease liabilities | 19,335 | 71,726
Taxes other than income taxes | 26,077 | 20,480
Other current liabilities | 99,879 | 33,549
Total current liabilities | 1,254,292 | 1,172,543
LONG-TERM DEBT, net of current maturities | 2,562,183 | 2,941,772
DEFERRED INCOME TAXES PAYABLE | 687,600 | 687,060
NONCURRENT OPERATING LEASE LIABILITIES | 67,392 | 88,622
OTHER LONG-TERM LIABILITIES | 341,324 | 176,925
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; 82,840,372 and 82,592,830 shares issued as of December 31, 2023, and December 31, 2022, respectively | 754,362 | 734,426
Retained earnings | 2,271,211 | 2,236,869
Treasury stock, at cost, 42,615,347 and 31,994,416 shares as of December 31, 2023, and December 31, 2022, respectively | (912,396) | (619,862)
Accumulated other comprehensive income (loss) | 325 | (3,802)
Total stockholders' equity | 2,113,502 | 2,347,631
Total liabilities and stockholders' equity | $ 7,026,293 | $ 7,414,553

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