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4. Supplemental Cash Flow Information - (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Supplemental Cash Flow Elements [Abstract] |  |
Net Income Attributable to Parent | $ (3,369,613) | $ 977,414
Share-based Compensation | 13,500 | 11,700
Other than temporary impairment losses on investments | 0 | 800
(Gains) losses from change in fair market value of equity securities and loan receivable | 4,545,100 | (1,179,400)
Decrease in accounts receivable | (46,800) | 1,300
Decrease (increase) in inventories | (35,500) | 5,800
Increase in other current assets | (33,700) | (37,500)
Decrease in accounts payable and other current liabilities | (38,900) | (44,500)
Increase in income taxes payable | 7,800 | 27,300
Increase in deferred income taxes | (1,028,500) | 274,800
Increase in other long term liabilities | 200 | 43,800
Reduction in the carrying amount of right-of-use assets | 10,000 | 9,800
Depreciation and amortization | 32,000 | 32,700
Other | 200 | (500)
Payments of operating lease liabilities | (9,500) | (9,900)
Net cash provided by operating activities | 46,315 | 113,610
Noncash or Part Noncash Acquisition, Investments Acquired | 13,200 | 0
Noncash or Part Noncash Acquisition, Accounts Receivable Acquired | 2,000 | 0
Noncash or Part Noncash Acquisition, Fixed Assets Acquired | $ 1,500 | $ 4,700

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