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Fresh Start Accounting - Reorg Adj - Current maturities of long-term debt (Details) - USD ($) $ in Thousands		1 Months Ended	5 Months Ended	7 Months Ended	12 Months Ended
	Jul. 29, 2025	Dec. 31, 2025	Dec. 31, 2025	Jul. 31, 2025	Dec. 31, 2025	Dec. 31, 2024
Reorganization, Chapter 11 [Line Items]
Less: Current portion of long-term debt		$ 34,334	$ 34,334		$ 34,334	$ 1,433,484
BR Exar AR Facility
Reorganization, Chapter 11 [Line Items]
Less: Current portion of long-term debt		1,400	1,400		1,400	$ 7,800
July 2030 notes
Reorganization, Chapter 11 [Line Items]
Cash proceeds from debt		$ 3,500	$ 3,520		$ 18,000
Reorganization Adjustments
Reorganization, Chapter 11 [Line Items]
Reinstatement of liabilities subject to compromise				$ 1,178,002
Issuance of Common Stock to holders of Allowed Notes Claims (April 2026 and July 2026 Noteholders)				(8)
Gain on settlement of DIP Facility				(4,000)
APIC generated on issuance of Successor common stock				(407,355)
Gain on reinstatement of current portion of debt				(770,639)
Less: Current portion of long-term debt				(217,344)
Reorganization Adjustments \| BR Exar AR Facility
Reorganization, Chapter 11 [Line Items]
Cash proceeds from debt	$ 8,000			8,000
Debt issuance costs	1,400			(1,400)
Reorganization Adjustments \| Super Senior Term Loan
Reorganization, Chapter 11 [Line Items]
Cash proceeds from debt	40,000			40,000
Amortization of Unamortized Balance of Debt Issuance Cost				1,056
Debt issuance costs	50			(50)
Repayment of debt	38,500
Gain on settlement of DIP Facility				(4,000)
Conversion of DIP Facility				(6,000)
Reorganization Adjustments \| Second Lien Note
Reorganization, Chapter 11 [Line Items]
Repayment of debt	$ 1,500			(1,500)
Reorganization Adjustments \| Senior Secured Term Loan
Reorganization, Chapter 11 [Line Items]
Repayment of debt				(38,500)
Reorganization Adjustments \| July 2030 notes
Reorganization, Chapter 11 [Line Items]
Cash proceeds from debt				200,988
Conversion of DIP Facility				$ (175,000)