Segment Reporting - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Segment Reporting Information [Line Items]
Segment revenue	$ 223,412	$ 302,363
Product cost	142,866	210,098
Amortization of developed technology and backlog	5,614	3,639
Depreciation	1,674	583
Other costs	10,254	11,615
Gross profit (loss)	63,004	76,428
Total operating expenses	(55,895)	(49,144)
Total other expense, net	(2,984)	(4,004)
(Loss) income before income taxes	4,125	23,280
Segment assets	1,475,027	1,425,758
Capital expenditures	7,511	2,352
Depreciation and amortization	15,365	9,571
Interest income	2,387	3,319
Interest expense	5,563	8,035
Array Legacy Operations
Segment Reporting Information [Line Items]
Segment revenue	217,381	213,214
Product cost	134,759	133,340
Amortization of developed technology and backlog	5,614	3,639
Depreciation	1,674	550
Other costs	10,077	10,004
Gross profit (loss)	65,257	65,681
Total operating expenses	0	0
Total other expense, net	0	0
Segment assets	1,265,004	1,005,615
Capital expenditures	7,018	2,214
Depreciation and amortization	12,403	6,901
Interest income	2,188	3,047
Interest expense	5,380	7,522
Outbound freight	9,500	9,900
STI Operations
Segment Reporting Information [Line Items]
Segment revenue	6,031	89,149
Product cost	8,107	76,758
Amortization of developed technology and backlog	0	0
Depreciation	0	33
Other costs	177	1,611
Gross profit (loss)	(2,253)	10,747
Total operating expenses	0	0
Total other expense, net	0	0
Segment assets	210,023	420,143
Capital expenditures	493	138
Depreciation and amortization	2,962	2,670
Interest income	199	272
Interest expense	$ 183	$ 513