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Revenue - Schedule of Disaggregation of Revenue by Revenue Source (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of revenue
Total revenues	$ 771,499	$ 745,701	$ 2,236,761	$ 2,275,579
Inter-segment eliminations
Disaggregation of revenue
Total revenues	(163)	(3,248)	(8,975)	(10,582)
Truckload Transportation Services | Reportable segment revenues
Disaggregation of revenue
Total revenues	519,786	522,803	1,539,308	1,610,998
Werner Logistics | Reportable segment revenues
Disaggregation of revenue
Total revenues	232,585	206,774	649,320	618,168
Transportation services
Disaggregation of revenue
Total revenues	752,208	726,329	2,179,653	2,218,584
Other revenues
Disaggregation of revenue
Total revenues	$ 19,291	$ 19,372	$ 57,108	$ 56,995

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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