CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (22,998)	$ 33,570	$ 112,290
Other comprehensive income (loss):
Foreign currency translation adjustments	4,194	(7,367)	6,120
Change in fair value of interest rate swaps, net of tax	(1,832)	(1,386)	(4,512)
Other comprehensive income (loss)	2,362	(8,753)	1,608
Comprehensive income (loss)	(20,636)	24,817	113,898
Comprehensive loss attributable to noncontrolling interest	8,599	663	92
Comprehensive income (loss) attributable to Werner	$ (12,037)	$ 25,480	$ 113,990