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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Operating Activities |  |  |
Net income/(loss) | $ 427,704 | $ 614,622 | $ (97,024)
Adjustments to reconcile net income/(loss) to net cash provided by operating activities: |  |  |
Depreciation of flight equipment | 1,143,761 | 1,068,772 | 965,955
Write-off of Russian fleet, net of (recoveries) | 0 | (67,022) | 771,476
Stock-based compensation expense | 33,887 | 34,615 | 15,603
Deferred taxes | 63,021 | 133,358 | (43,492)
Amortization of prepaid lease costs | 101,800 | 75,389 | 47,849
Amortization of discounts and debt issuance costs | 54,823 | 54,053 | 53,254
Gain on aircraft sales, trading and other activity | (228,466) | (226,945) | (113,103)
Changes in operating assets and liabilities: |  |  |
Other assets | 12,521 | 48,310 | (232,613)
Accrued interest and other payables | 75,172 | 13,333 | 255
Rentals received in advance | (7,204) | (1,605) | 13,990
Net cash provided by operating activities | 1,677,019 | 1,746,880 | 1,382,150
Investing Activities |  |  |
Acquisition of flight equipment | (3,727,416) | (3,789,113) | (2,904,723)
Payments for deposits on flight equipment purchases | (446,343) | (433,452) | (518,270)
Proceeds from aircraft sales, trading and other activity | 1,524,711 | 1,684,814 | 235,424
Proceeds from settlement of insurance claim | 0 | 64,714 | 0
Acquisition of aircraft furnishings, equipment and other assets | (387,255) | (305,346) | (216,635)
Net cash used in investing activities | (3,036,303) | (2,778,383) | (3,404,204)
Financing Activities |  |  |
Net proceeds from preferred stock issuance | 295,012 | 0 | 0
Redemption of preferred stock | (250,000) | 0 | 0
Cash dividends paid on Class A common stock | (93,481) | (88,792) | (83,253)
Common shares repurchased | 0 | 0 | (150,000)
Cash dividends paid on preferred stock | (47,762) | (41,700) | (41,700)
Tax withholdings on stock-based compensation | (9,387) | (3,354) | (8,903)
Net change in unsecured revolving facility | (930,000) | 80,000 | 1,020,000
Proceeds from debt financings | 5,201,695 | 2,993,732 | 2,659,996
Payments in reduction of debt financings | (3,210,028) | (2,593,338) | (2,085,898)
Debt issuance costs | (10,277) | (13,052) | (6,827)
Security deposits and maintenance reserve receipts | 452,022 | 398,345 | 417,224
Security deposits and maintenance reserve disbursements | (26,898) | (15,863) | (26,860)
Net cash provided by financing activities | 1,370,896 | 715,978 | 1,693,779
Net increase/(decrease) in cash | 11,612 | (315,525) | (328,275)
Cash, cash equivalents and restricted cash at beginning of period | 464,492 | 780,017 | 1,108,292
Cash, cash equivalents and restricted cash at end of period | 476,104 | 464,492 | 780,017
Supplemental Disclosure of Cash Flow Information |  |  |
Cash paid during the period for interest, including capitalized interest of $42,390, $43,093 and $39,655 at December 31, 2024, 2023 and 2022, respectively | 794,330 | 693,826 | 533,897
Cash paid for income taxes | 57,433 | 7,801 | 6,362
Supplemental Disclosure of Noncash Activities |  |  |
Buyer furnished equipment, capitalized interest and deposits on flight equipment purchases applied to acquisition of flight equipment and other assets | 1,192,974 | 827,377 | 914,501
Flight equipment subject to operating leases reclassified to flight equipment held for sale | 1,821,084 | 1,730,212 | 377,131
Transfer of flight equipment to investment in sales-type lease | 106,043 | 66,907 | 255,205
Cash dividends declared on Class A common stock, not yet paid | $ 24,503 | $ 23,316 | $ 22,178

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