Segment Information - Disaggregation of Revenue (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]
Net Sales	$ 348,389	$ 255,184	$ 635,981	$ 470,585
Renewables
Disaggregation of Revenue [Line Items]
Net Sales	107,751	55,950	193,263	103,213
Residential
Disaggregation of Revenue [Line Items]
Net Sales	164,209	139,472	304,426	242,891
Agtech
Disaggregation of Revenue [Line Items]
Net Sales	53,696	42,309	100,435	91,543
Infrastructure
Disaggregation of Revenue [Line Items]
Net Sales	22,733	17,453	37,857	32,938
Point in Time
Disaggregation of Revenue [Line Items]
Net Sales	188,052	162,437	344,655	288,017
Point in Time | Renewables
Disaggregation of Revenue [Line Items]
Net Sales	6,049	5,512	13,020	9,208
Point in Time | Residential
Disaggregation of Revenue [Line Items]
Net Sales	162,978	138,288	301,997	240,619
Point in Time | Agtech
Disaggregation of Revenue [Line Items]
Net Sales	7,388	12,088	12,531	26,184
Point in Time | Infrastructure
Disaggregation of Revenue [Line Items]
Net Sales	11,637	6,549	17,107	12,006
Over Time
Disaggregation of Revenue [Line Items]
Net Sales	160,337	92,747	291,326	182,568
Over Time | Renewables
Disaggregation of Revenue [Line Items]
Net Sales	101,702	50,438	180,243	94,005
Over Time | Residential
Disaggregation of Revenue [Line Items]
Net Sales	1,231	1,184	2,429	2,272
Over Time | Agtech
Disaggregation of Revenue [Line Items]
Net Sales	46,308	30,221	87,904	65,359
Over Time | Infrastructure
Disaggregation of Revenue [Line Items]
Net Sales	$ 11,096	$ 10,904	$ 20,750	$ 20,932