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Segment Information - 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]
Net Sales	$ 369,353	$ 296,792	$ 1,005,334	$ 767,377
Renewables
Disaggregation of Revenue [Line Items]
Net Sales	130,162	70,246	323,425	173,459
Residential
Disaggregation of Revenue [Line Items]
Net Sales	171,545	151,718	475,971	394,609
Agtech
Disaggregation of Revenue [Line Items]
Net Sales	48,975	58,012	149,410	149,555
Infrastructure
Disaggregation of Revenue [Line Items]
Net Sales	18,671	16,816	56,528	49,754
Point in Time
Disaggregation of Revenue [Line Items]
Net Sales	191,319	178,230	535,974	466,247
Point in Time | Renewables
Disaggregation of Revenue [Line Items]
Net Sales	8,835	7,038	21,855	16,246
Point in Time | Residential
Disaggregation of Revenue [Line Items]
Net Sales	170,280	150,608	472,277	391,227
Point in Time | Agtech
Disaggregation of Revenue [Line Items]
Net Sales	4,010	14,206	16,541	40,390
Point in Time | Infrastructure
Disaggregation of Revenue [Line Items]
Net Sales	8,194	6,378	25,301	18,384
Over Time
Disaggregation of Revenue [Line Items]
Net Sales	178,034	118,562	469,360	301,130
Over Time | Renewables
Disaggregation of Revenue [Line Items]
Net Sales	121,327	63,208	301,570	157,213
Over Time | Residential
Disaggregation of Revenue [Line Items]
Net Sales	1,265	1,110	3,694	3,382
Over Time | Agtech
Disaggregation of Revenue [Line Items]
Net Sales	44,965	43,806	132,869	109,165
Over Time | Infrastructure
Disaggregation of Revenue [Line Items]
Net Sales	$ 10,477	$ 10,438	$ 31,227	$ 31,370

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