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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Statement of Cash Flows [Abstract] |  |  |
Net (Loss) Income | $ (5,775,130) | $ 1,907,600 | $ 1,815,792
Adjustments: |  |  |
Depreciation and amortization | 1,279,254 | 1,245,942 | 1,033,697
Impairment and credit losses | 1,566,380 | 0 | 33,651
Net deferred income tax (benefit) expense | (8,791) | 7,745 | (2,679)
Loss (gain) on derivative instruments not designated as hedges | 49,316 | (1,431) | 61,148
Share-based compensation expense | 39,779 | 75,930 | 46,061
Equity investment loss (income) | 213,286 | (230,980) | (210,756)
Amortization of debt issuance costs | 89,442 | 31,991 | 41,978
Amortization of debt discounts and premiums | 66,776 | 31,616 | 11,004
Loss on extinguishment of secured senior term loan | 41,109 | 6,326 | 0
Change in fair value of contingent consideration | (45,126) | 18,400 | 0
Recognition of deferred currency translation adjustment loss on sale of assets | 69,044 | 0 | 0
Gain on sale of unconsolidated affiliate | 0 | 0 | (13,680)
Recognition of deferred gain | 0 | 0 | (21,794)
Changes in operating assets and liabilities: |  |  |
Decrease (increase) in trade and other receivables, net | 121,055 | (9,898) | (9,573)
Decrease (increase) in inventories | 27,077 | (8,533) | (23,849)
Decrease (increase) in prepaid expenses and other assets | 295,876 | 15,669 | (71,770)
(Decrease) increase in accounts payable | (133,815) | 75,281 | 91,737
Increase (decrease) in accrued interest | 182,578 | (4,460) | 18,773
(Decrease) increase in accrued expenses and other liabilities | (180,479) | 96,490 | 42,937
(Decrease) increase in customer deposits | (1,643,560) | 280,139 | 385,990
Dividends received from unconsolidated affiliates | 2,215 | 150,177 | 243,101
Other, net | 12,061 | 28,362 | 7,371
Net cash (used in) provided by operating activities | (3,731,653) | 3,716,366 | 3,479,139
Investing Activities |  |  |
Purchases of property and equipment | (1,965,131) | (3,024,663) | (3,660,028)
Cash received on settlement of derivative financial instruments | 15,874 | 7,621 | 76,529
Cash paid on settlement of derivative financial instruments | (161,335) | (68,836) | (98,074)
Investments in and loans to unconsolidated affiliates | (100,609) | (25,569) | (27,172)
Cash received on loans to unconsolidated affiliates | 21,086 | 32,870 | 124,238
Proceeds from the sale of property and equipment | 27,796 | 0 | 0
Proceeds from the sale of unconsolidated affiliate | 0 | 0 | 13,215
Acquisition of Silversea Cruises, net of cash acquired | 0 | 0 | (916,135)
Other, net | (16,247) | (12,829) | (1,731)
Net cash used in investing activities | (2,178,566) | (3,091,406) | (4,489,158)
Financing Activities |  |  |
Debt proceeds | 13,547,189 | 3,525,564 | 8,590,740
Debt issuance costs | (374,715) | (50,348) | (81,959)
Repayments of debt | (3,845,133) | (4,060,244) | (6,963,511)
Proceeds from issuance of commercial paper notes | 6,765,816 | 26,240,540 | 4,730,286
Repayments of commercial paper notes | (7,837,635) | (25,613,111) | (3,965,450)
Purchase of treasury stock | 0 | (99,582) | (575,039)
Dividends paid | (326,421) | (602,674) | (527,494)
Proceeds from common stock issuances | 1,431,375 | 0 | 0
Other, net | (10,688) | (10,516) | (9,500)
Net cash provided by (used in) financing activities | 9,349,788 | (670,371) | 1,198,073
Effect of exchange rate changes on cash | 1,167 | 1,297 | (20,314)
Net increase (decrease) in cash and cash equivalents | 3,440,736 | (44,114) | 167,740
Cash and cash equivalents at beginning of year | 243,738 | 287,852 | 120,112
Cash and cash equivalents at end of year | 3,684,474 | 243,738 | 287,852
Cash paid during the year for: |  |  |
Interest, net of amount capitalized | 418,164 | 246,312 | 252,466
Non-Cash Investing Activities |  |  |
Contingent consideration for the acquisition of Silversea Cruises | 0 | 0 | 44,000
Purchases of property and equipment included in accounts payable and accrued expenses and other liabilities | 16,189 | 86,155 | 0
Notes receivable issued upon sale of property and equipment | 53,419 | 0 | 0
Non-Cash Financing Activities |  |  |
Acquisition of Silversea Cruises non-controlling interest | 592,313 | 0 | 0
Termination of Silversea Cruises contingent consideration obligation | 16,564 | 0 | 0
Common stock issuances pending cash settlement and included in trade receivables | $ 121,352 | $ 0 | $ 0

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