SEGMENT INFORMATION - Schedule of Geographic and Major Customers Information (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Disclosure of operating segments [line items] | |||
| Non-current assets, excluding financial instruments | $ 464,482 | $ 491,358 | |
| Operating revenue | 281,480 | 310,641 | $ 349,846 |
| Taiwan | |||
| Disclosure of operating segments [line items] | |||
| Non-current assets, excluding financial instruments | 448,335 | 474,063 | |
| Operating revenue | 270,390 | 298,040 | 328,527 |
| India | |||
| Disclosure of operating segments [line items] | |||
| Non-current assets, excluding financial instruments | 15,270 | 17,004 | |
| Others | |||
| Disclosure of operating segments [line items] | |||
| Non-current assets, excluding financial instruments | 877 | 291 | |
| Operating revenue | $ 11,090 | $ 12,601 | $ 21,319 |