Segment Information - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Net Sales	$ 287,592	$ 215,401
Renewables
Disaggregation of Revenue [Line Items]
Net Sales	85,512	47,263
Residential
Disaggregation of Revenue [Line Items]
Net Sales	140,217	103,419
Agtech
Disaggregation of Revenue [Line Items]
Net Sales	46,739	49,234
Infrastructure
Disaggregation of Revenue [Line Items]
Net Sales	15,124	15,485
Point in Time
Disaggregation of Revenue [Line Items]
Net Sales	156,603	125,580
Point in Time | Renewables
Disaggregation of Revenue [Line Items]
Net Sales	6,971	3,696
Point in Time | Residential
Disaggregation of Revenue [Line Items]
Net Sales	139,019	102,331
Point in Time | Agtech
Disaggregation of Revenue [Line Items]
Net Sales	5,143	14,096
Point in Time | Infrastructure
Disaggregation of Revenue [Line Items]
Net Sales	5,470	5,457
Over Time
Disaggregation of Revenue [Line Items]
Net Sales	130,989	89,821
Over Time | Renewables
Disaggregation of Revenue [Line Items]
Net Sales	78,541	43,567
Over Time | Residential
Disaggregation of Revenue [Line Items]
Net Sales	1,198	1,088
Over Time | Agtech
Disaggregation of Revenue [Line Items]
Net Sales	41,596	35,138
Over Time | Infrastructure
Disaggregation of Revenue [Line Items]
Net Sales	$ 9,654	$ 10,028