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v3.21.2

Segment Data (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Segment Reporting Information [Line Items] |  |  |  |  |  |
Affiliates (1) | [1] | $ 88,722 | $ 87,629 | $ 184,916 | $ 194,328 |
Third party |  | 79,756 | 30,008 | 136,475 | 86,710 |
Net revenues |  | 168,478 | 117,637 | 321,391 | 281,038 |
Cost of materials and other |  | 88,695 | 43,892 | 169,866 | 145,185 |
Operating expenses (excluding depreciation and amortization presented below) |  | 15,481 | 12,449 | 29,537 | 27,193 |
Segment contribution margin |  | 64,302 | 61,296 | 121,988 | 108,660 |
General and administrative expenses |  | 6,077 | 4,721 | 10,937 | 10,851 |
Depreciation and amortization |  | 9,967 | 8,694 | 20,706 | 14,993 |
Other operating income, net |  | (136) | 0 | (219) | (107) |
Operating income |  | 48,394 | 47,881 | 90,564 | 82,923 |
Capital spending |  | 2,591 | 652 | 10,390 | 3,681 |
Total assets |  | 935,476 |  | 935,476 |  | $ 956,417
Pipelines and transportation |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Affiliates (1) |  | 65,664 | 61,394 | 128,712 | 99,897 |
Third party |  | 4,771 | 2,032 | 6,698 | 11,496 |
Net revenues |  | 70,435 | 63,426 | 135,410 | 111,393 |
Operating expenses (excluding depreciation and amortization presented below) |  | 10,858 | 9,731 | 21,030 | 21,187 |
Segment contribution margin |  | 45,231 | 42,513 | 86,955 | 72,926 |
Capital spending |  | 1,531 | 417 | 7,376 | 863 |
Total assets |  | 699,588 |  | 699,588 |  | 723,317
Wholesale marketing and terminalling |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Affiliates (1) |  | 23,058 | 26,235 | 56,204 | 94,431 |
Third party |  | 74,985 | 27,976 | 129,777 | 75,214 |
Net revenues |  | 98,043 | 54,211 | 185,981 | 169,645 |
Operating expenses (excluding depreciation and amortization presented below) |  | 4,623 | 2,718 | 8,507 | 6,006 |
Segment contribution margin |  | 19,071 | 18,783 | 35,033 | 35,734 |
Capital spending |  | 1,060 | 235 | 3,014 | 2,818 |
Total assets |  | 214,750 |  | 214,750 |  | 206,918
Other Segments |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Total assets |  | 21,138 |  | 21,138 |  | $ 26,182
Service |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Cost of materials and other |  | 88,695 | 43,892 | 169,866 | 145,185 |
Service | Pipelines and transportation |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Cost of materials and other |  | 14,346 | 11,182 | 27,425 | 17,280 |
Service | Wholesale marketing and terminalling |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Cost of materials and other |  | $ 74,349 | $ 32,710 | $ 142,441 | $ 127,905 |
[1] | See Note 3 for a description of our material affiliate revenue transactions.

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