Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
OPERATING ACTIVITIES
Net income	$ (52,453)	$ (29,722)	$ 14,775
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	159,198	181,523	199,039
Impairment of trade name	18,991	0	0
Deferred income taxes	(25,152)	(30,199)	(18,081)
Stock-based compensation expense	2,156	1,040	1,620
Debt-related amortization	175	1,053	1,069
Gain on disposal of property and equipment	(23,446)	(7,508)	(41,087)
Changes in certain working capital items (net of acquisition):
Trade receivables	17,448	11,120	37,079
Prepaid expenses and other current assets	1,822	3,762	9,065
Accounts payable, accrued liabilities, and accrued expenses	(9,514)	5,200	(30,998)
Accrued income taxes	89	8,079	(7,214)
Net cash provided by operating activities	89,314	144,348	165,267
INVESTING ACTIVITIES
Proceeds from sale of property and equipment	129,917	62,993	137,319
Purchases of property and equipment, net of trades	(156,168)	(109,536)	(208,596)
Change in other assets	251	4	3,410
Net cash used in investing activities	(26,000)	(46,539)	(67,867)
FINANCING ACTIVITIES
Cash dividends paid	(6,243)	(4,721)	(6,322)
Shares withheld for employee taxes related to stock-based compensation	(365)	(407)	(290)
Repayments on finance leases and debt	(41,150)	(100,304)	(114,078)
Repurchases of common stock	(10,395)	(7,281)	0
Net cash used in financing activities	(58,153)	(112,713)	(120,690)
Net increase (decrease) in cash and cash equivalents	5,161	(14,904)	(23,290)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH
Beginning of period	26,284	41,188	64,478
End of period	31,445	26,284	41,188
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid during the period for interest expense	12,161	17,742	22,444
Income Taxes Paid Net of Amounts Refunded	9,302	15,642	30,135
Noncash investing and financing activities:
Purchased property and equipment in accounts payable	10,734	3,307	3,912
Sold revenue equipment and property in other current assets	547	864	2,516
Common stock dividends declared in accounts payable	1,550	1,570	0
Right-of-use assets obtained in exchange for operating lease liabilities	0	0	8,236
RECONCILIATION OF CASH, CASH EQUIVALENTS AND RESTRICTED CASH
Cash and cash equivalents	18,475	12,812	28,123
Restricted cash included in other current assets	249	280	332
Restricted cash included in other assets	12,721	13,192	12,733
Total cash, cash equivalents and restricted cash	$ 31,445	$ 26,284	$ 41,188