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Note O - Acquisition of Metropolitan Trucking (Details Textual) - Metropolitan Trucking Inc and Related Entities [Member] - USD ($)
$ in Thousands
3 Months Ended
Jun. 14, 2022
Mar. 31, 2023
Business Combination, Consideration Transferred, Total $ 79,900  
Payments to Acquire Businesses, Gross 64,317  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-Term Debt 12,627  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable $ 2,915  
Acquired Business As a Percent of Total Assets   13.70%
Acquired Business As a Percent of Operating Revenue   9.50%