Revenue Recognition - Summary of Disaggregated Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 129,585	$ 84,197	$ 258,012	$ 187,272
Transportation
Disaggregation of Revenue [Line Items]
Revenues	71,556	38,129	147,410	99,663
Industrial
Disaggregation of Revenue [Line Items]
Revenues	29,260	20,213	55,885	41,056
Medical
Disaggregation of Revenue [Line Items]
Revenues	12,802	13,038	24,078	22,408
Aerospace and Defense
Disaggregation of Revenue [Line Items]
Revenues	12,779	9,373	24,449	18,378
Telecom & IT
Disaggregation of Revenue [Line Items]
Revenues	$ 3,188	$ 3,444	$ 6,190	$ 5,767