Acquisitions (Details) - USD ($) $ in Thousands			12 Months Ended
	Aug. 31, 2022	May 31, 2022	Dec. 31, 2022	Dec. 31, 2024
Business Combinations [Abstract]
Business Acquisition, Consideration Transferred and debt assumed		$ 169,400
Business Combination, Gross Cash Paid	$ 560,600	140,600
Adjusted purchase price	558,600
Business Combination, Cash Acquired	6,800	18,600
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt and finance lease liability		(46,800)		$ (16,900)
Acquired Business Percent of Revenue, Smith Transport			13.30%
Acquired Business Percent of Revenue, CFI			21.60%
Business Combination, Acquisition Related Costs			$ 2,300
Business Acquisition, Pro Forma Revenue, Smith Transport			1,060,718
Business Acquisition, Pro Forma Revenue, CFI			1,394,552
Business Acquisition, Pro Forma Net Income (Loss), Smith Transport			140,647
Business Acquisition, Pro Forma Net Income (Loss), CFI			$ 174,684
Net adjustment to purchase price	2,000
Net Cash Paid	$ 553,800	$ 122,000