Business Segments - Schedule of Reconciliation of Revenue from Segments to Consolidated (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information
Net Sales	$ 137,466	$ 145,345	$ 402,582	$ 408,867
Segment Operating Income	7,323	1,617	17,461	8,856
Operating Segments
Segment Reporting Information
Net Sales	137,466	145,345	402,582	408,867
Segment Operating Income	10,043	4,665	24,557	16,463
Rail, Technologies, and Services
Segment Reporting Information
Net Sales	79,498	86,866	247,715	242,866
Rail, Technologies, and Services | Operating Segments
Segment Reporting Information
Net Sales	79,498	86,866	247,715	242,866
Segment Operating Income	4,933	3,866	17,212	13,231
Infrastructure Solutions
Segment Reporting Information
Net Sales	57,968	58,479	154,867	166,001
Infrastructure Solutions | Operating Segments
Segment Reporting Information
Net Sales	57,968	58,479	154,867	166,001
Segment Operating Income	$ 5,110	$ 799	$ 7,345	$ 3,232