Segment Information (Measurements Used by Management to Assess Performance of Segments) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting, Other Significant Reconciling Item [Line Items]
Net sales	$ 1,308,764	$ 1,377,736	$ 1,389,966
Segment profit	143,023	150,729	130,102
Interest expense, net	6,171	(3,002)	(4,047)
Other income, net	24,731	1,265	(14,565)
Income before taxes	173,925	148,992	111,490
Depreciation and amortization	27,312	27,378	26,167
Capital expenditures	20,475	14,997	20,138
Total assets	1,419,410	1,256,451	1,210,613
Operating Segments
Segment Reporting, Other Significant Reconciling Item [Line Items]
Net sales	1,308,764	1,377,736	1,389,966
Segment profit	184,468	190,829	163,618
Operating expenses	1,124,296	1,186,907	1,226,348
Unallocated Corporate Expenses
Segment Reporting, Other Significant Reconciling Item [Line Items]
Segment profit	(41,445)	(40,100)	(33,516)
Depreciation and amortization	2,567	1,701	1,190
Capital expenditures	5,030	4,239	1,424
Total assets	295,917	117,287	24,448
Renewables
Segment Reporting, Other Significant Reconciling Item [Line Items]
Net sales	285,405	330,738	377,567
Renewables | Operating Segments
Segment Reporting, Other Significant Reconciling Item [Line Items]
Net sales	285,405	330,738	377,567
Segment profit	3,349	30,160	25,243
Operating expenses	282,056	300,578	352,324
Depreciation and amortization	8,192	8,671	8,467
Capital expenditures	3,101	1,113	3,589
Total assets	390,881	377,694	392,368
Residential
Segment Reporting, Other Significant Reconciling Item [Line Items]
Net sales	782,519	814,803	767,248
Residential | Operating Segments
Segment Reporting, Other Significant Reconciling Item [Line Items]
Net sales	782,519	814,803	767,248
Segment profit	148,784	143,068	126,458
Operating expenses	633,735	671,735	640,790
Depreciation and amortization	10,416	10,080	8,983
Capital expenditures	10,508	6,913	10,050
Total assets	497,317	515,739	519,567
Agtech
Segment Reporting, Other Significant Reconciling Item [Line Items]
Net sales	152,811	144,967	168,868
Agtech | Operating Segments
Segment Reporting, Other Significant Reconciling Item [Line Items]
Net sales	152,811	144,967	168,868
Segment profit	11,040	(928)	2,914
Operating expenses	141,771	145,895	165,954
Depreciation and amortization	3,165	3,789	4,377
Capital expenditures	684	1,419	3,177
Total assets	156,929	168,213	193,966
Infrastructure
Segment Reporting, Other Significant Reconciling Item [Line Items]
Net sales	88,029	87,228	76,283
Infrastructure | Operating Segments
Segment Reporting, Other Significant Reconciling Item [Line Items]
Net sales	88,029	87,228	76,283
Segment profit	21,295	18,529	9,003
Operating expenses	66,734	68,699	67,280
Depreciation and amortization	2,972	3,137	3,150
Capital expenditures	1,152	1,313	1,898
Total assets	$ 78,366	$ 77,518	$ 80,264