Goodwill and Other Intangible Assets - Schedule of Goodwill (Details) $ in Thousands	6 Months Ended
Jun. 30, 2023 USD ($)
Goodwill
Goodwill, beginning balance	$ 30,733
Foreign currency translation impact	429
Goodwill, ending balance	31,404
VanHooseCo acquisition
Goodwill
VanHooseCo acquisition	242
Rail, Technologies, and Services
Goodwill
Goodwill, beginning balance	19,948
Foreign currency translation impact	429
Goodwill, ending balance	20,377
Rail, Technologies, and Services \| VanHooseCo acquisition
Goodwill
VanHooseCo acquisition	0
Precast Concrete Products
Goodwill
Goodwill, beginning balance	10,785
Foreign currency translation impact	0
Goodwill, ending balance	11,027
Precast Concrete Products \| VanHooseCo acquisition
Goodwill
VanHooseCo acquisition	242
Steel Products and Measurement
Goodwill
Goodwill, beginning balance	0
Foreign currency translation impact	0
Goodwill, ending balance	0
Steel Products and Measurement \| VanHooseCo acquisition
Goodwill
VanHooseCo acquisition	$ 0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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