CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 6,540	$ 23,504	$ 21,988	$ 89,058
Other comprehensive income (loss):
Foreign currency translation adjustments	(2,426)	(1,333)	(6,011)	4,410
Change in fair value of interest rate swaps, net of tax	(4,606)	(694)	(5,742)	(1,768)
Other comprehensive income (loss)	(7,032)	(2,027)	(11,753)	2,642
Comprehensive income (loss)	(492)	21,477	10,235	91,700
Comprehensive loss (income) attributable to noncontrolling interest	25	200	354	(249)
Comprehensive income (loss) attributable to Werner	$ (467)	$ 21,677	$ 10,589	$ 91,451