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Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Quarterly Financial Information | Summarized quarterly data for the years ended December 31, 2019 and 2018 consisted of the following (in thousands, except per share amounts):
|  | Year Ended December 31, 2019
|  | Q1 |  | Q2 |  | Q3 |  | Q4
Revenues |  | $ | 1,191,335 |  |  | $ | 1,409,409 |  |  | $ | 1,401,638 |  |  | $ | 1,399,134 |
Operating income |  | 21,423 |  |  | 48,621 |  |  | 18,405 |  |  | 59,531 |
Net income (loss) |  | 61,092 |  |  | 28,169 |  |  | (83,891 | ) |  | 35,439 |
Net income (loss) per share |  |  |  |  |  |  |  |
Basic |  | $ | 1.23 |  |  | $ | 0.56 |  |  | $ | (1.65 | ) |  | $ | 0.68 |
Diluted |  | $ | 1.14 |  |  | $ | 0.56 |  |  | $ | (1.65 | ) |  | $ | 0.68 |
|  | Year Ended December 31, 2018
|  | Q1 |  | Q2 |  | Q3 |  | Q4
Revenues |  | $ | 765,439 |  |  | $ | 856,396 |  |  | $ | 909,781 |  |  | $ | 879,112 |
Operating income |  | 27,656 |  |  | 28,983 |  |  | 4,894 |  |  | 20,408 |
Net income (loss) |  | 15,185 |  |  | 16,178 |  |  | (5,822 | ) |  | 13,886 |
Net income (loss) per share |  |  |  |  |  |  |  |
Basic |  | $ | 0.33 |  |  | $ | 0.35 |  |  | $ | (0.13 | ) |  | $ | 0.30 |
Diluted |  | $ | 0.33 |  |  | $ | 0.35 |  |  | $ | (0.13 | ) |  | $ | 0.30 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118952077&loc=d3e1280-108306 + Details
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