Acquisition - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Jan. 14, 2022	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2022
Business Acquisition [Line Items]
Total revenue		$ 456,830	$ 362,106	$ 908,993		$ 728,582
Hi-Rail
Business Acquisition [Line Items]
Percentage of voting rights acquired	100.00%
Working capital adjustments	$ 51,000
Pretax income (loss)			100		$ 700
Hi-Rail | Hi-Rail
Business Acquisition [Line Items]
Total revenue			$ 4,100	$ 7,900