Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025
OPERATING ACTIVITIES
Net income (loss)	$ 6,720	$ (33,011)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	98,426	121,833
Deferred income taxes	(12,724)	(17,065)
Stock-based compensation expense	1,851	1,354
Debt-related amortization	0	175
Gain on disposal of property and equipment	(40,199)	(11,254)
Changes in certain working capital items:
Trade receivables	(1,358)	11,624
Prepaid expenses and other current assets	537	1,054
Accounts payable, accrued liabilities, and accrued expenses	(2,777)	(504)
Accrued income taxes	4,597	166
Net cash provided by operating activities	55,073	74,372
INVESTING ACTIVITIES
Proceeds from sale of property and equipment	136,645	72,664
Purchases of property and equipment	(91,942)	(97,031)
Change in other assets	(257)	139
Net cash provided by (used in) investing activities	44,446	(24,228)
FINANCING ACTIVITIES
Payments of cash dividends	(4,646)	(4,694)
Shares withheld for employee taxes related to stock-based compensation	(562)	(278)
Repayments of finance leases and debt	(59,883)	(15,541)
Repurchase of Common Stock	(4,590)	(10,360)
Net cash used in financing activities	(69,681)	(30,873)
Net increase in cash, cash equivalents and restricted cash	29,838	19,271
CASH, CASH EQUIVALENTS AND RESTRICTED CASH
Beginning of period	31,445	26,284
End of period	61,283	45,555
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Cash paid during the period for interest expense	5,992	9,324
Cash paid during the period for income taxes, net of refunds	12,291	6,928
Noncash investing and financing activities:
Purchased property and equipment in accounts payable	2,662	12,376
Sold revenue equipment and property in other current assets	778	3,310
Common stock dividends declared in accounts payable	1,545	1,549
RECONCILIATION OF CASH, CASH EQUIVALENTS AND RESTRICTED CASH
Cash and cash equivalents	48,503	32,688
Restricted cash included in other current assets	230	237
Restricted cash included in other assets	12,550	12,630
Total cash, cash equivalents and restricted cash	$ 61,283	$ 45,555