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Note 13 - Acquisition of Lew Thompson & Son Trucking, Inc - Pro Forma Consolidated Results of Operations (Details) - Lew Thompson & Son Trucking, Inc. [Member] - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Total revenue | $ 303,741 |  |  |
Net income | $ 14,687 | $ 53,613 | $ 49,772 | $ 106,560
Basic net income per share (in dollars per share) | $ 1.13 | $ 3.72 | $ 3.8 | $ 6.88
Diluted net income per share (in dollars per share) | $ 1.07 | $ 3.6 | $ 3.62 | $ 6.71
Lew Thompson & Son Trucking, Inc. [Member] |  |  |  |
Total revenue |  | $ 328,001 | $ 878,626 | $ 969,286

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