Related Party Transactions (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Related Party Transaction
Accounts receivable due from related party	$ 13,900	$ 5,800
Noncontrolling Common Stockholder
Related Party Transaction
Accounts receivable due from related party	17	38
Accounts payable to related party	512	272
Accrued Royalties, Related Party	100
Noncontrolling Common Stockholder \| Nexperia
Related Party Transaction
Accounts payable to related party	24
Noncontrolling Common Stockholder \| Research and development
Related Party Transaction
Related party transaction expenses		21
Noncontrolling Common Stockholder \| Sale of Products
Related Party Transaction
Revenue from related parties	165	241
Noncontrolling Common Stockholder \| License Maintenance Fee
Related Party Transaction
Related party transaction expenses	200	200
Common Stockholder
Related Party Transaction
Revenue from related parties		504
Accounts receivable due from related party	435	426
Common Stockholder \| Reimbursement for research and development
Related Party Transaction
Revenue from related parties	408
Common Stockholder \| Sale of Products
Related Party Transaction
Revenue from related parties	915
Common Stockholder \| License Maintenance Fee
Related Party Transaction
Reduction in license maintenance fees	150
Common Stockholder \| License Fee Income
Related Party Transaction
Revenue from related parties	5,200	195
Common Stockholder \| Interest Expense
Related Party Transaction
Related party transaction expenses	610	608
Accounts receivable due from related party		9,200
Common Stockholder \| EPI Gen 4 wafer growth sales
Related Party Transaction
Revenue from related parties	701
Corporate Joint Venture
Related Party Transaction
Accounts receivable due from related party	13,500	5,300
Corporate Joint Venture \| Related Party Services
Related Party Transaction
Related party transaction expenses	241	211
Corporate Joint Venture \| Research and development
Related Party Transaction
Related party transaction expenses	919	695
Corporate Joint Venture \| Reimbursement for research and development
Related Party Transaction
Related party transaction expenses	408	195
Corporate Joint Venture \| Commitment For Services
Related Party Transaction
Related party transaction expenses	$ 84	444
Corporate Joint Venture \| Reimbursement from payroll related costs
Related Party Transaction
Related party transaction expenses		$ 14

Accrued Royalties, Related Party

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- Definition

Related Party Transaction, Reduction Of Expenses From Transactions With Related Party

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For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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