v3.26.3
Details of Significant Accounts - Pensions, additional information (Details) - Perfect Mobile Corp. (Taiwan)
$ in Thousands
6 Months Ended
Jun. 30, 2026
USD ($)
item
Jun. 30, 2025
USD ($)
Disclosure of defined benefit plans [line items]    
Number of units accrued for each year of service for first 15 years | item 2  
Number of units accrued for each additional year thereafter | item 1  
Maximum number of units accrued | item 45  
Number of months prior to retirement 6 months  
Post-employment benefit expense, defined contribution plans $ 2 $ 1
Expected contributions to the defined benefit pension plans $ 7  
Percentage of monthly contribution 6.00%  
Pension cost $ 381 313
Pension cost for other foreign subsidiaries $ 119 $ 131