Segment Reporting - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Segment Reporting [Line Items]
Segment revenue	$ 330,212	$ 393,491	$ 895,689	$ 1,058,097
Product cost	230,754	269,147	583,490	726,080
Amortization of developed technology and backlog	6,144	4,434	17,373	11,713
Depreciation	2,519	778	6,220	1,973
Other costs	21,576	13,461	56,779	39,108
Gross profit	69,219	105,671	231,827	279,223
Total operating expenses	(55,279)	(60,220)	(176,013)	(160,112)
Total other income, net	(4,092)	(2,007)	(10,118)	4,492
Income before income taxes	9,848	43,444	45,696	123,603
Segment assets	1,584,951	1,611,161	1,584,951	1,611,161
Capital expenditures	5,700	5,513	20,844	14,496
Depreciation and amortization	15,452	12,169	46,532	31,636
Interest income	2,152	2,977	6,941	10,096
Interest expense	5,810	5,046	17,159	21,849
Array Legacy Operations
Segment Reporting [Line Items]
Segment revenue	296,238	353,374	833,927	858,474
Product cost	198,116	233,575	522,440	560,535
Amortization of developed technology and backlog	6,144	4,434	17,373	11,713
Depreciation	2,501	845	6,201	1,973
Other costs	19,333	12,393	54,027	32,440
Gross profit	70,144	102,127	233,886	251,813
Total operating expenses	0	0	0	0
Total other income, net	0	0	0	0
Segment assets	1,371,284	1,211,117	1,371,284	1,211,117
Capital expenditures	5,368	5,211	20,019	13,922
Depreciation and amortization	12,527	9,209	37,704	23,134
Interest income	1,943	2,866	6,103	9,513
Interest expense	5,650	4,362	16,523	19,905
Outbound freight	19,900	12,000	53,400	31,800
STI Operations
Segment Reporting [Line Items]
Segment revenue	33,974	40,117	61,762	199,623
Product cost	32,638	35,572	61,050	165,545
Amortization of developed technology and backlog	0	0	0	0
Depreciation	18	(67)	19	0
Other costs	2,243	1,068	2,752	6,668
Gross profit	(925)	3,544	(2,059)	27,410
Total operating expenses	0	0	0	0
Total other income, net	0	0	0	0
Segment assets	213,667	400,044	213,667	400,044
Capital expenditures	332	302	825	574
Depreciation and amortization	2,925	2,960	8,828	8,502
Interest income	209	111	838	583
Interest expense	$ 160	$ 684	$ 636	$ 1,944