Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Earnings Per Share [Abstract]
Potential shares of common stock that excluded from the computation of diluted loss per share (in shares)	182
Net income (loss) attributable to Werner	$ (10,098)	$ 6,312
Weighted average common shares outstanding (in shares)	61,890	63,472
Dilutive effect of stock-based awards (in shares)	0	255
Shares used in computing diluted earnings per share (in shares)	61,890	63,727
Basic earnings (loss) per share (in dollars per share)	$ (0.16)	$ 0.10
Diluted earnings (loss) per share (in dollars per share)	$ (0.16)	$ 0.10