Revenue (Tables)

6 Months Ended

Jun. 30, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table summarizes the Company’s net sales by major product and service category for the periods presented:

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Rail Products and Global Friction Management	$	70,416	$	76,756	$	122,067	$	132,068
Technology Services and Solutions	11,381		12,026		23,440		22,946
Rail, Technologies, and Services	81,797		88,782		145,507		155,014
Precast Concrete Buildings	15,811		16,349		25,781		26,630
Other Precast Concrete Products	7,800		3,724		12,840		6,121
Precast Concrete Products	23,611		20,073		38,621		32,751
Fabricated Steel Products	17,967		32,223		30,571		59,944
Coatings and Measurement	8,140		13,444		15,610		22,893
Steel Products and Measurement	26,107		45,667		46,181		82,837
Total net sales	$	131,515	$	154,522	$	230,309	$	270,602

Net sales by the timing of the transfer of products and performance of services was as follows for the periods presented:

	Three Months Ended June 30, 2022
	Rail, Technologies, and Services		Precast Concrete Products		Steel Products and Measurement		Total
Point in time	$	65,872	$	8,577	$	20,964	$	95,413
Over time	15,925		15,034		5,143		36,102
Total net sales	$	81,797	$	23,611	$	26,107	$	131,515
	Three Months Ended June 30, 2021
	Rail, Technologies, and Services		Precast Concrete Products		Steel Products and Measurement		Total
Point in time	$	71,711	$	5,195	$	34,442	$	111,348
Over time	17,071		14,878		11,225		43,174
Total net sales	$	88,782	$	20,073	$	45,667	$	154,522

	Six Months Ended June 30, 2022
	Rail, Technologies, and Services		Precast Concrete Products		Steel Products and Measurement		Total
Point in time	$	115,038	$	12,840	$	36,026	$	163,904
Over time	30,469		25,781		10,155		66,405
Total net sales	$	145,507	$	38,621	$	46,181	$	230,309
	Six Months Ended June 30, 2021
	Rail, Technologies, and Services		Precast Concrete Products		Steel Products and Measurement		Total
Point in time	$	123,755	$	9,931	$	64,370	$	198,056
Over time	31,259		22,820		18,467		72,546
Total net sales	$	155,014	$	32,751	$	82,837	$	270,602