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Redeemable Noncontrolling Interests - Components of the Change in Redeemable Noncontrolling Interests (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Redeemable Noncontrolling Interests    
Redeemable noncontrolling interests beginning balance $ 47,563  
Increase in redeemable noncontrolling interests due to issuance of Tongmei's common stock 1,514 $ 48,102
Increase in redeemable noncontrolling interests due to transfer of subsidiary with noncontrolling interests 1,241  
Increase in redeemable noncontrolling interests due to formation of new subsidiary with noncontrolling interests 132  
Equity issuance costs incurred (2,591) (539)
Stock-based compensation attributable to redeemable noncontrolling interests 40  
Net income attributable to redeemable noncontrolling interests 889  
Effect of foreign currency translation attributable to redeemable noncontrolling interests 279  
Effect of foreign currency translation on redeemable noncontrolling interests 1,318  
Redeemable noncontrolling interests ending balance $ 50,385 $ 47,563