Unaudited Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating revenue
Total operating revenue	$ 492,726	$ 517,188
Operating expenses
Salaries, wages, and benefits	181,704	169,028
Fuel and fuel taxes	74,606	65,043
Vehicle rents	31,661	24,294
Depreciation and amortization, net of (gain) loss on sale of property	27,309	18,717
Operating expenses and supplies	44,984	44,814
Insurance premiums and claims	38,919	20,139
Operating taxes and licenses	4,381	3,916
Communications and utilities	3,718	3,544
General and other operating expenses	18,846	17,319
Total operating expenses	522,580	517,398
Operating loss	(29,854)	(210)
Other expense
Interest expense, net	7,036	3,807
Other expense	60	7,105
Nonoperating (Income) Expense, Total	7,096	10,912
Loss before income tax benefit	(36,950)	(11,122)
Income tax benefit	(9,873)	(2,149)
Net total and comprehensive loss	(27,077)	(8,973)
Net total and comprehensive income (loss) attributable to noncontrolling interest	43	(71)
Net total and comprehensive loss attributable to controlling interest	$ (27,120)	$ (8,902)
Loss per share
Basic earnings (loss) per share (in dollars per share)	$ (0.52)	$ (0.18)
Basic weighted average shares outstanding (in shares)	52,128	50,849
Diluted earnings (loss) per share (in dollars per share)	$ (0.52)	$ (0.18)
Diluted weighted average shares outstanding (in shares)	52,128	50,849
Revenue, before fuel surcharge
Operating revenue
Total operating revenue	$ 437,822	$ 464,327
Fuel surcharge
Operating revenue
Total operating revenue	54,904	52,861
Shipping and Handling
Operating expenses
Purchased transportation	$ 96,452	$ 150,584