XML 143 R128.htm IDEA: XBRL DOCUMENT v3.21.1
Income Taxes- Expiration period for unrecognized deferred tax assets (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
USD ($)
IFRS Statement [Line Items]  
Unrecognized deferred tax assets $ 49,555
Taiwan [Member] | Expiration Year 2021 To 2025 [Member]  
IFRS Statement [Line Items]  
Deductible amount 102,259
Unrecognized deferred tax assets $ 20,452
Expiration year 2021~2025
Taiwan [Member] | Expiration Year 2026 To 2030 [Member]  
IFRS Statement [Line Items]  
Deductible amount $ 108,708
Unrecognized deferred tax assets $ 21,742
Expiration year 2026~2030
Hong Kong [Member]  
IFRS Statement [Line Items]  
Deductible amount $ 1,828
Unrecognized deferred tax assets $ 151
Expiration year Indefinitely
U.S. [Member] | Expiration Year 2024 To 2040 [Member]  
IFRS Statement [Line Items]  
Deductible amount $ 12,458
Unrecognized deferred tax assets $ 3,503
Expiration year 2024~2040
Israel [Member]  
IFRS Statement [Line Items]  
Deductible amount $ 16,118
Unrecognized deferred tax assets $ 3,707
Expiration year Indefinitely