Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

SEGMENT REPORTING - Reconciliation of Revenue (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]
Revenue from external customers	$ 147,655	$ 53,553	$ 346,794	$ 171,756
Operating Segments
Segment Reporting [Line Items]
Revenue from external customers	152,162		357,570
Operating Segments \| External Customers
Segment Reporting [Line Items]
Revenue from external customers	147,655	53,553	346,794	171,756
Operating Segments \| Intersegment Customers
Segment Reporting [Line Items]
Revenue from external customers	4,507		10,776
Operating Segments \| Materials Segment
Segment Reporting [Line Items]
Revenue from external customers	133,539	31,641	301,345	124,792
Operating Segments \| Materials Segment \| External Customers
Segment Reporting [Line Items]
Revenue from external customers	129,032	31,641	290,569	124,792
Operating Segments \| Materials Segment \| Intersegment Customers
Segment Reporting [Line Items]
Revenue from external customers	4,507		10,776
Operating Segments \| Magnetics Segment
Segment Reporting [Line Items]
Revenue from external customers	18,623		56,225
Operating Segments \| Magnetics Segment \| External Customers
Segment Reporting [Line Items]
Revenue from external customers	18,623	21,912	56,225	46,964
Operating Segments \| Magnetics Segment \| Intersegment Customers
Segment Reporting [Line Items]
Revenue from external customers	0		0
Intersegment Eliminations
Segment Reporting [Line Items]
Revenue from external customers	$ (4,507)	$ 0	$ (10,776)	$ 0