CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY AND TEMPORARY EQUITY - REDEEMABLE NONCONTROLLING INTEREST (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning balance at Dec. 31, 2024	$ 1,455,932	$ 805	$ 137,889	$ 1,952,775	$ (18,437)	$ (617,100)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss attributable to Werner	(10,098)			(10,098)
Other comprehensive income (loss)	(1,496)				(1,496)
Dividends on common stock	(8,670)			(8,670)
Common stock issued for stock-based compensation, including tax effects	(1,879)		(2,466)			587
Non-cash equity compensation expense	2,444		2,444
Ending balance at Mar. 31, 2025	1,436,233	805	137,867	1,934,007	(19,933)	(616,513)
Beginning balance at Dec. 31, 2024	37,944
Increase (Decrease) in Temporary Equity [Roll Forward]
Net loss attributable to noncontrolling interest	(123)
Ending balance at Mar. 31, 2025	37,821
Beginning balance at Dec. 31, 2025	1,362,892	805	144,641	1,904,572	(16,075)	(671,051)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss attributable to Werner	(4,262)			(4,262)
Other comprehensive income (loss)	1,732				1,732
Dividends on common stock	(8,392)			(8,392)
Common stock issued for stock-based compensation, including tax effects	(2,109)		(2,728)			619
Non-cash equity compensation expense	2,840		2,840
Ending balance at Mar. 31, 2026	1,352,701	$ 805	$ 144,753	$ 1,891,918	$ (14,343)	$ (670,432)
Beginning balance at Dec. 31, 2025	28,113
Increase (Decrease) in Temporary Equity [Roll Forward]
Net loss attributable to noncontrolling interest	(199)
Ending balance at Mar. 31, 2026	$ 27,914