Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
|
| Income Statement [Abstract] | ||||
| Revenue | $ 634,811 | $ 470,086 | $ 1,211,902 | $ 885,838 |
| Costs and expenses: | ||||
| Transportation costs | 528,022 | 388,473 | 1,005,190 | 729,727 |
| Selling, general and administrative expenses | 84,644 | 70,199 | 165,162 | 137,436 |
| Depreciation and amortization | 9,033 | 7,976 | 17,939 | 16,014 |
| Income from operations | 13,112 | 3,439 | 23,612 | 2,661 |
| Interest expense | (3,754) | (3,677) | (7,504) | (7,302) |
| Income (Loss) before provision for income taxes | 9,358 | (239) | 16,107 | (4,640) |
| Income tax (expense) benefit | (1,680) | (6) | (3,702) | 1,523 |
| Net income (loss) | $ 7,678 | $ (245) | $ 12,405 | $ (3,117) |
| Earnings (Loss) per common share: | ||||
| Basic (in usd per share) | $ 0.28 | $ (0.01) | $ 0.45 | $ (0.11) |
| Diluted (in usd per share) | $ 0.28 | $ (0.01) | $ 0.45 | $ (0.11) |