CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 112,290	$ 245,580	$ 261,478
Other comprehensive income (loss):
Foreign currency translation adjustments	6,120	2,426	(1,381)
Change in fair value of interest rate swaps, net of tax	(4,512)	6,886	3,610
Other comprehensive income, net	1,608	9,312	2,229
Comprehensive income	113,898	254,892	263,707
Comprehensive loss (income) attributable to noncontrolling interest	92	(4,324)	(2,426)
Comprehensive income attributable to Werner	$ 113,990	$ 250,568	$ 261,281