v3.26.1
DESCRIPTION OF BUSINESS AND GENERAL (Narrative) (Details)
Jun. 30, 2026
Tower Partners Semiconductor Co., Ltd ("TPSCo") [Member]  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]  
Percentage of interests acquired 51.00%
Nuvoton Technology Corporation Japan ("NTCJ") [Member]  
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]  
Percentage of interests acquired 49.00%