Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 128,738	$ 113,587	$ 369,449	$ 313,214
Revenue, remaining performance obligation, percentage	100.00%	100.00%	100.00%	100.00%
Revenue recognized over time
Disaggregation of Revenue [Line Items]
Revenues	$ 7,427	$ 5,542	$ 21,006	$ 15,523
Revenue recognized over time | Service Concentration Risk | Revenue Benchmark
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, percentage	5.80%	4.90%	5.70%	5.00%
Revenue recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenues	$ 121,311	$ 108,045	$ 348,443	$ 297,691
Revenue recognized at a point in time | Product Concentration Risk | Revenue Benchmark
Disaggregation of Revenue [Line Items]
Revenue, remaining performance obligation, percentage	94.20%	95.10%	94.30%	95.00%
United States
Disaggregation of Revenue [Line Items]
Revenues	$ 111,281	$ 102,945	$ 313,326	$ 278,191
Asia
Disaggregation of Revenue [Line Items]
Revenues	3,927	1,634	12,402	4,619
Canada
Disaggregation of Revenue [Line Items]
Revenues	3,021	2,615	9,086	7,876
Europe
Disaggregation of Revenue [Line Items]
Revenues	7,044	3,728	23,396	11,796
Mexico
Disaggregation of Revenue [Line Items]
Revenues	948	1,226	4,025	4,221
Middle East
Disaggregation of Revenue [Line Items]
Revenues	1,996	904	5,757	4,659
Other
Disaggregation of Revenue [Line Items]
Revenues	$ 521	$ 535	$ 1,457	$ 1,852