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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Income Statement [Abstract] |  |  |  |
Revenues | $ 1,401,638 | $ 909,781 | $ 4,002,382 | $ 2,531,616
Operating expenses |  |  |  |
Cost of revenues (excluding depreciation) | 1,265,755 | 822,785 | 3,578,329 | 2,232,608
Operating expense (excluding depreciation) | 83,237 | 54,905 | 231,741 | 158,975
Depreciation, depletion, and amortization | 22,227 | 13,192 | 65,103 | 39,004
General and administrative expense (excluding depreciation) | 11,391 | 11,871 | 34,435 | 35,981
Acquisition and integration costs | 623 | 2,134 | 4,325 | 3,515
Total operating expenses | 1,383,233 | 904,887 | 3,913,933 | 2,470,083
Operating income | 18,405 | 4,894 | 88,449 | 61,533
Other income (expense) |  |  |  |
Interest expense and financing costs, net | (18,348) | (10,425) | (57,336) | (29,346)
Debt extinguishment and commitment costs | 0 | 0 | (9,186) | 0
Other income, net | 83 | 85 | 2,347 | 861
Change in value of common stock warrants | (826) | (1,067) | (3,065) | (396)
Change in value of contingent consideration | 0 | 0 | 0 | (10,500)
Equity earnings (losses) from Laramie Energy, LLC | (85,633) | 1,050 | (84,841) | 4,274
Total other income (expense), net | (104,724) | (10,357) | (152,081) | (35,107)
Income (loss) before income taxes | (86,319) | (5,463) | (63,632) | 26,426
Income tax benefit (expense) | 2,428 | (359) | 69,002 | (885)
Net income (loss) | $ (83,891) | $ (5,822) | $ 5,370 | $ 25,541
Income (loss) per share |  |  |  |
Basic (in dollars per share) | $ (1.65) | $ (0.13) | $ 0.11 | $ 0.55
Diluted (in dollars per share) | $ (1.65) | $ (0.13) | $ 0.11 | $ 0.55
Weighted-average number of shares outstanding |  |  |  |
Basic (in shares) | 50,942 | 45,709 | 49,973 | 45,676
Diluted (in shares) | 50,942 | 45,709 | 50,071 | 45,721

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