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Note 5 - Segment Information - Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Total revenue | $ 256,324 | $ 191,689 | $ 477,213 | $ 402,502
Operating income (loss) | 18,332 | (28,950) | 28,843 | (30,404)
Operating Segments [Member] |  |  |  |
Total revenue | 256,324 | 191,689 | 477,213 | 402,502
Operating income (loss) | 18,332 | (28,950) | 28,843 | (30,404)
Operating Segments [Member] | Highway Services [Member] |  |  |  |
Total revenue | 87,369 | 79,778 | 165,849 | 165,938
Operating income (loss) | 10,225 | (12,844) | 16,436 | (14,396)
Operating Segments [Member] | Dedicated [Member] |  |  |  |
Total revenue | 81,868 | 65,940 | 157,314 | 147,728
Operating income (loss) | (191) | (13,177) | (1,990) | (14,718)
Operating Segments [Member] | Managed Freight [Member] |  |  |  |
Total revenue | 71,635 | 34,362 | 123,032 | 65,099
Operating income (loss) | 7,316 | (3,611) | 12,261 | (2,946)
Operating Segments [Member] | Factoring [Member] |  |  |  |
Total revenue | 15,452 | 11,609 | 31,018 | 23,737
Operating income (loss) | 982 | 682 | 2,136 | 1,656
Intersegment Eliminations [Member] |  |  |  |
Total revenue | 1,734 | 4,723 | 2,180 | 7,603
Intersegment Eliminations [Member] | Highway Services [Member] |  |  |  |
Total revenue | 1,734 | 4,723 | 2,180 | 7,603
Intersegment Eliminations [Member] | Dedicated [Member] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Intersegment Eliminations [Member] | Managed Freight [Member] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Intersegment Eliminations [Member] | Factoring [Member] |  |  |  |
Total revenue | 0 | 0 | 0 | 0
Consolidation, Eliminations [Member] |  |  |  |
Total revenue | $ (1,734) | $ (4,723) | $ (2,180) | $ (7,603)

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