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Quarterly Financial Data (Unaudited) | 12 Months Ended
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Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Data (Unaudited) | Note 23. QUARTERLY FINANCIAL DATA (UNAUDITED) The following table summarizes quarterly financial data for 2019 and 2018 (in thousands):
|  | 2019 Quarter Ended |
|  | March 31 |  |  | June 30 |  |  | September 30 |  |  | December 31 |
Operating revenues |  | $ | 471,786 |  |  | $ | 605,528 |  |  | $ | 559,736 |  |  | $ | 512,379 |
Gross profit |  |  | 37,077 |  |  |  | 41,370 |  |  |  | 41,145 |  |  |  | 35,045 |
Operating income |  |  | 7,612 |  |  |  | 13,920 |  |  |  | 12,349 |  |  |  | 9,441 |
Net income attributable to limited partners |  |  | 212 |  |  |  | 6,441 |  |  |  | 7,165 |  |  |  | 4,258 |
Basic and diluted earnings per common unit(a) |  |  | 0.00 |  |  |  | 0.18 |  |  |  | 0.20 |  |  |  | 0.12 |
|  | 2018 Quarter Ended |
|  | March 31 |  |  | June 30 |  |  | September 30 |  |  | December 31 |
Operating revenues |  | $ | 554,570 |  |  | $ | 673,295 |  |  | $ | 670,810 |  |  | $ | 547,242 |
Gross profit |  |  | 39,951 |  |  |  | 43,972 |  |  |  | 43,798 |  |  |  | 45,074 |
Operating income (loss) |  |  | 7,424 |  |  |  | (1,568 | ) |  |  | 13,652 |  |  |  | 15,504 |
Net income (loss) attributable to limited partners |  |  | (805 | ) |  |  | (6,935 | ) |  |  | 5,308 |  |  |  | 7,683 |
Basic and diluted earnings (loss) per common unit(a) |  |  | (0.06 | ) |  |  | (0.21 | ) |  |  | 0.15 |  |  |  | 0.22 |
(a) | Earnings (loss) per common unit amounts are computed independently for each of the quarters presented. Therefore, the sum of the quarterly earnings per share amounts may not equal the annual earnings per share amounts.

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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