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Note 14 - Subsequent Events (Details Textual) - USD ($) $ in Thousands, shares in Millions |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | ---
Apr. 26, 2023 | May 03, 2023 | Mar. 31, 2023 | Mar. 31, 2022
Treasury Stock, Value, Acquired, Cost Method |  |  | $ 20,805 | $ 14,800
Subsequent Event [Member] | Lew Thompson & Son Trucking, Inc. [Member] |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired | 100.00% |  |  |
Business Combination, Consideration Transferred | $ 100,000 |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | $ 30,000 |  |  |
Business Combination, Contingent Consideration, Earnout Period (Year) | 3 years |  |  |
Payments to Acquire Businesses, Gross | $ 45,000 |  |  |
Subsequent Event [Member] | Lew Thompson & Son Trucking, Inc. [Member] | Revolving Credit Facility [Member] | Lenders [Member] |  |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred | $ 55,000 |  |  |
Subsequent Event [Member] | Common Class A [Member] |  |  |  |
Treasury Stock, Shares, Acquired (in shares) |  | 0.1 |  |
Treasury Stock, Value, Acquired, Cost Method |  | $ 4,500 |  |

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