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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2020 | Sep. 30, 2019
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS |  |
NET CASH PROVIDED BY OPERATING ACTIVITIES | $ 548,703 | $ 582,468
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Purchases of marketable securities | (848,897) | (1,469,091)
Sales of marketable securities | 878,070 | 1,566,471
Proceeds from the sale of aircraft, property and equipment | 1,612 | 25,604
Acquisition of property and equipment: |  |
Aircraft and rotable spare parts | (170,392) | (419,508)
Buildings and ground equipment | (9,398) | (61,021)
Deposits on aircraft | (625) | (31,817)
Aircraft deposits applied towards acquired aircraft | 9,220 | 23,298
Net cash received from sale of ExpressJet subsidiary |  | 53,200
Decrease (increase) in other assets | (121,037) | 7,570
NET CASH USED IN INVESTING ACTIVITIES | (261,447) | (305,294)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Proceeds from issuance of long-term debt | 201,285 | 99,914
Principal payments on long-term debt | (117,182) | (291,250)
Net proceeds from issuance of common stock | 2,819 | 6,270
Purchase of treasury and common stock and employee income tax paid on equity awards | (26,165) | (93,935)
Increase in debt issuance and lessor initial direct costs | (3,932) | (1,242)
Payment of cash dividends | (13,059) | (17,406)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES | 43,766 | (297,649)
Increase (decrease) in cash and cash equivalents | 331,022 | (20,475)
Cash and cash equivalents at beginning of period | 87,206 | 328,384
CASH AND CASH EQUIVALENTS AT END OF PERIOD | 418,228 | 307,909
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION: |  |
Acquisition of rotable spare parts | 8,531 | 3,662
Debt assumed on aircraft acquired under operating leases |  | 14,475
Engines contributed to joint venture |  | 22,313
Non-cash assets used to acquire aircraft under operating leases |  | 153,566
Lease liability arising from the recognition of right-of-use asset |  | 456,472
CARES Act warrant issuance | 8,248 |
Cash paid during the period for: |  |
Interest, net of capitalized amounts | 95,999 | 100,100
Income taxes | $ 371 | 2,415
SUPPLEMENTAL DISCLOSURE OF SALE OF SUBSIDIARY: |  |
Decrease in carrying amount of assets |  | (101,448)
Decrease in carrying amount of liabilities |  | 68,341
Cash received from buyers |  | 79,632
Gain on sale of subsidiary |  | $ 46,525

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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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