CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY AND TEMPORARY EQUITY - REDEEMABLE NONCONTROLLING INTEREST - USD ($) $ in Thousands	Total	Common Stock	Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning balance at Dec. 31, 2022	$ 1,443,635	$ 805	$ 129,837	$ 1,875,873	$ (11,292)	$ (551,588)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Werner	35,224			35,224
Net (loss) income attributable to noncontrolling interest	0
Other comprehensive (loss) income	2,028				2,028
Dividends on common stock	(8,239)			(8,239)
Equity compensation activity	(5,514)		(5,190)	0	0	(324)
Non-cash equity compensation expense	3,403		3,403
Ending balance at Mar. 31, 2023	1,470,537	805	128,050	1,902,858	(9,264)	(551,912)
Beginning balance at Dec. 31, 2022	38,699
Increase (Decrease) in Temporary Equity [Roll Forward]
Net (loss) income attributable to noncontrolling interest	310
Ending balance at Mar. 31, 2023	39,009
Beginning balance at Dec. 31, 2023	1,528,339	805	134,894	1,953,385	(9,684)	(551,061)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to Werner	6,312			6,312
Net (loss) income attributable to noncontrolling interest	0
Other comprehensive (loss) income	618				618
Purchases of $167,818 shares of common stock	(6,550)					(6,550)
Dividends on common stock	(8,878)			(8,878)
Equity compensation activity	(4,087)		(4,422)			335
Non-cash equity compensation expense	2,250		2,250
Ending balance at Mar. 31, 2024	1,518,004	$ 805	$ 132,722	$ 1,950,819	$ (9,066)	$ (557,276)
Beginning balance at Dec. 31, 2023	38,607
Increase (Decrease) in Temporary Equity [Roll Forward]
Net (loss) income attributable to noncontrolling interest	(64)
Ending balance at Mar. 31, 2024	$ 38,543