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Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands, shares in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Property and equipment acquired under finance leases | $ 3,008 | $ 9,966 | $ 12,941
Property and equipment in payables | 1,052 | 1,312 | 1,553
Cash paid for interest | 1,187 | 3,583 | 18,826
Cash paid for income taxes, net | $ 5,301 | $ 7,613 | $ 1,535
Class A Common Stock |  |  |
Number of common stock shares issued upon redemption of CW units | 9.3 |  |
Class B Common Stock |  |  |
Economic interest of shares | $ 0 |  |

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