Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating revenues	$ 836,276	$ 649,814	$ 1,600,881	$ 1,266,260
Operating expenses:
Salaries, wages and benefits	253,639	210,095	495,635	414,948
Fuel	125,446	58,503	213,867	109,341
Supplies and maintenance	62,656	49,414	119,681	95,561
Taxes and licenses	23,791	23,744	47,624	46,977
Insurance and claims	41,071	20,739	68,563	42,795
Depreciation and amortization	68,471	63,865	135,700	127,816
Rent and purchased transportation	197,116	150,920	382,353	297,413
Communications and utilities	3,781	3,333	7,707	6,355
Other	(14,618)	(7,662)	(28,683)	(14,280)
Total operating expenses	761,353	572,951	1,442,447	1,126,926
Operating income	74,923	76,863	158,434	139,334
Other expense (income):
Interest expense	1,787	701	3,226	1,539
Interest income	(313)	(334)	(588)	(631)
Gain on investment in equity securities, net	(24,095)	(20,191)	(14,289)	(20,191)
Other	126	54	199	96
Total other expense (income)	(22,495)	(19,770)	(11,452)	(19,187)
Income before income taxes	97,418	96,633	169,886	158,521
Income tax expense	23,809	24,601	41,242	39,997
Net income	73,609	72,032	128,644	118,524
Net income attributable to noncontrolling interest	(1,319)	0	(2,605)	0
Net income attributable to Werner	$ 72,290	$ 72,032	$ 126,039	$ 118,524
Earnings per share:
Basic	$ 1.12	$ 1.06	$ 1.94	$ 1.74
Diluted	$ 1.12	$ 1.06	$ 1.93	$ 1.74
Weighted-average common shares outstanding:
Basic	64,394	67,926	64,965	67,929
Diluted	64,726	68,216	65,327	68,237