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v3.21.2

Segment Data (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Segment Reporting Information [Line Items] |  |  |  |  |  |
Affiliates (1) | [1] | $ 123,519 | $ 95,410 | $ 308,435 | $ 289,739 |
Third party |  | 66,108 | 46,858 | 202,583 | 133,567 |
Net revenues |  | 189,627 | 142,268 | 511,018 | 423,306 |
Cost of materials and other |  | 105,129 | 60,692 | 274,995 | 205,877 |
Operating expenses (excluding depreciation and amortization presented below) |  | 17,345 | 14,230 | 46,942 | 41,423 |
Segment contribution margin |  | 67,153 | 67,346 | 189,081 | 176,006 |
General and administrative expenses |  | 6,141 | 6,122 | 17,018 | 16,973 |
Depreciation and amortization |  | 10,156 | 9,459 | 30,862 | 24,452 |
Other operating expense (income), net |  | 273 | 0 | 54 | (107) |
Operating income |  | 50,583 | 51,765 | 141,147 | 134,688 |
Capital spending |  | 4,136 | 3,228 | 14,526 | 6,918 |
Total assets |  | 930,543 |  | 930,543 |  | $ 956,417
Pipelines and transportation |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Affiliates (1) |  | 70,879 | 68,444 | 199,591 | 168,285 |
Third party |  | 5,323 | 3,035 | 12,021 | 14,587 |
Net revenues |  | 76,202 | 71,479 | 211,612 | 182,872 |
Operating expenses (excluding depreciation and amortization presented below) |  | 13,680 | 10,749 | 34,710 | 31,936 |
Segment contribution margin |  | 47,352 | 46,388 | 134,307 | 119,314 |
Capital spending |  | 2,570 | 2,552 | 9,946 | 3,424 |
Total assets |  | 692,901 |  | 692,901 |  | 723,317
Wholesale marketing and terminalling |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Affiliates (1) |  | 52,640 | 26,966 | 108,844 | 121,454 |
Third party |  | 60,785 | 43,823 | 190,562 | 118,980 |
Net revenues |  | 113,425 | 70,789 | 299,406 | 240,434 |
Operating expenses (excluding depreciation and amortization presented below) |  | 3,665 | 3,481 | 12,232 | 9,487 |
Segment contribution margin |  | 19,801 | 20,958 | 54,774 | 56,692 |
Capital spending |  | 1,566 | 676 | 4,580 | 3,494 |
Total assets |  | 213,277 |  | 213,277 |  | 206,918
Other Segments |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Total assets |  | 24,365 |  | 24,365 |  | $ 26,182
Service |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Cost of materials and other |  | 105,129 | 60,692 | 274,995 | 205,877 |
Service | Pipelines and transportation |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Cost of materials and other |  | 15,170 | 14,342 | 42,595 | 31,622 |
Service | Wholesale marketing and terminalling |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Cost of materials and other |  | $ 89,959 | $ 46,350 | $ 232,400 | $ 174,255 |
[1] | See Note 3 for a description of our material affiliate revenue transactions.

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