Revenue - Schedule of Timing of Transfer (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue
Total net sales	$ 97,792	$ 124,320
Point in time
Disaggregation of Revenue
Total net sales	73,552	95,196
Over time
Disaggregation of Revenue
Total net sales	24,240	29,124
Rail, Technologies, and Services
Disaggregation of Revenue
Total net sales	54,015	82,623
Rail, Technologies, and Services | Point in time
Disaggregation of Revenue
Total net sales	44,925	65,539
Rail, Technologies, and Services | Over time
Disaggregation of Revenue
Total net sales	9,090	17,084
Infrastructure Solutions
Disaggregation of Revenue
Total net sales	43,777	41,697
Infrastructure Solutions | Point in time
Disaggregation of Revenue
Total net sales	28,627	29,657
Infrastructure Solutions | Over time
Disaggregation of Revenue
Total net sales	$ 15,150	$ 12,040