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Milestone [Domain] Milestone [Domain] Remainder of 2026 Long-Term Debt, Maturity, Remainder of Fiscal Year 2028 Lessor, Operating Lease, Payment to be Received, Year Two Total liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Unpaid property, plant and equipment purchases (including due to related parties of $2,591 and $7,111 as of March 31, 2026 and 2025, respectively) Unpaid property, plant, and equipment Capital Expenditures Incurred but Not yet Paid Credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Building and leasehold improvements Building and Leasehold Impovements [Member] Building and Leasehold Impovements [Member] Term Loan Term Loan [Member] Term Loan [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Convertible notes interest charge, net of tax Interest on Convertible Debt, Net of Tax, Diluted Net Income Adjustment Interest on Convertible Debt, Net of Tax, Diluted Net Income Adjustment Operating expenses: Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Asset Class [Domain] Asset Class [Domain] Statement [Line Items] Statement [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Counterparty Name [Axis] Counterparty Name [Axis] Schedule of Restricted Stock Unit Activity Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Available-for-Sale Investment: Debt Securities [Abstract] Payment terms Revenue, Performance Obligation, Payment Term Revenue, Performance Obligation, Payment Term Additional shares authorized (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Trading days Debt Instrument, Convertible, Threshold Trading Days Risk-free interest rate, maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum CTBC Revolving Credit Facilities CTBC Revolving Credit Facilities [Member] CTBC Revolving Credit Facilities Auction rate security Debt Securities, Available-for-Sale Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] First Bank Credit Lines, Foreign Currency Working Capital Loan First Bank Credit Lines, Foreign Currency Working Capital Loan [Member] First Bank Credit Lines, Foreign Currency Working Capital Loan Net (decrease) increase in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Accrued professional fees Accrued Professional Fees, Current