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Business Segments - Reconciliation of Assets from Segment to Consolidated (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Segment Reporting Information
Assets	$ 333,261	$ 313,206
Operating Segments | Rail, Technologies, and Services
Segment Reporting Information
Assets	174,486	157,023
Operating Segments | Infrastructure Solutions
Segment Reporting Information
Assets	129,769	130,667
Unallocated corporate assets
Segment Reporting Information
Assets	$ 29,006	$ 25,516

X

- Definition

Amount of asset recognized for present right to economic benefit.

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