Investments Accounted for Using the Equity Method - Summary of Investments in joint ventures Accounted for using the Equity Method (Detail) $ in Thousands, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2023
TWD ($)
|
Dec. 31, 2022
TWD ($)
|
Dec. 31, 2023
USD ($)
|
|
| Disclosure of joint ventures [line items] | |||
| Carrying Amount | $ 15,377 | $ 515,351 | $ 502 |
| MUtek Electronics Co., Ltd. [Member] | |||
| Disclosure of joint ventures [line items] | |||
| Main Business | Engaged in the production and wholesale of electronic products | ||
| Operating Location | R.O.C. | ||
| Carrying Amount | $ 15,377 | $ 26,591 | 502 |
| Percentages of ownership | 49.00% | 49.00% | |
| SUMA-USI Electronics Co., Ltd [member] | |||
| Disclosure of joint ventures [line items] | |||
| Main Business | Engaged in the design and production of electronic products | ||
| Operating Location | China | ||
| Carrying Amount | $ 0 | $ 488,760 | 0 |
| Percentages of ownership | 49.00% | ||
| Joint ventures [member] | |||
| Disclosure of joint ventures [line items] | |||
| Carrying Amount | $ 15,377 | $ 515,351 | $ 502 |