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Note 12 - 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 | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Total revenue | $ 279,421 |  |  |
Net income | $ 12,976 | $ 26,430 | $ 31,659 | $ 50,500
Basic net income per share (in dollars per share) | $ 1.00 | $ 1.70 | $ 2.41 | $ 3.14
Diluted net income per share (in dollars per share) | $ 0.96 | $ 1.68 | $ 2.30 | $ 3.09
Lew Thompson & Son Trucking, Inc. [Member] |  |  |  |
Total revenue |  | $ 333,441 | $ 562,485 | $ 641,090

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