Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 143	$ 35,619
Accounts receivable, net of allowance of $2,302 in 2025 and $2,360 in 2024	152,363	141,635
Drivers' advances and other receivables, net of allowance of $586 in 2025 and $593 in 2024	4,779	3,999
Inventory and supplies	5,390	5,648
Prepaid expenses	24,141	19,975
Assets held for sale	6,146	132
Income taxes receivable	3,317	6,499
Other short-term assets	318	343
Total current assets	196,597	213,850
Property and equipment, at cost	743,381	729,404
Less: accumulated depreciation and amortization	(219,969)	(204,595)
Net property and equipment	523,412	524,809
Goodwill	78,941	78,941
Other intangibles, net	96,206	90,126
Other receivables	20,244	3,163
Other assets, net	93,692	86,470
Noncurrent assets of discontinued operations	0	209
Total assets	1,009,092	997,568
Current liabilities:
Checks outstanding in excess of bank balances	1,717	0
Accounts payable	34,994	31,939
Accrued expenses	56,040	51,328
Current maturities of long-term debt	51,159	64,210
Current portion of finance lease obligations	1,032	751
Operating lease obligations	10,796	10,349
Current portion of insurance and claims accrual	24,192	22,700
Total current liabilities	179,930	181,277
Long-term debt	214,101	187,085
Long-term portion of finance lease obligations	2,546	3,192
Long-term portion of operating lease obligations	29,188	31,302
Insurance and claims accrual	38,501	19,134
Deferred income taxes	114,061	117,650
Other long-term liabilities	13,891	19,588
Total liabilities	592,218	559,228
Stockholders' equity:
Additional paid-in-capital	159,813	158,907
Treasury stock at cost; 1,550,490 and no shares as of June 30, 2025 and December 31, 2024, respectively	(34,744)	0
Accumulated other comprehensive income	658	1,035
Retained earnings	290,881	278,133
Total stockholders' equity	416,874	438,340
Total liabilities and stockholders' equity	1,009,092	997,568
Common Class A [Member]
Stockholders' equity:
Common stock	219	218
Common Class B [Member]
Stockholders' equity:
Common stock	$ 47	$ 47