Business Combinations - Summary of Impact of Acquisitions by Comprehensive Income (Detail) - TWD ($) $ in Thousands |
2 Months Ended | 5 Months Ended |
|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2024 |
|
| HIRSCHMANN [member] | ||
| Disclosure of detailed information about business combination [Line Items] | ||
| Operating revenue | $ 1,017,423 | |
| Net Profit (loss) | $ 46,075 | |
| ASEPCAYMAN [Member] | ||
| Disclosure of detailed information about business combination [Line Items] | ||
| Operating revenue | $ 518,026 | |
| Net Profit (loss) | (69,186) | |
| CHE [Member] | ||
| Disclosure of detailed information about business combination [Line Items] | ||
| Operating revenue | 825,216 | |
| Net Profit (loss) | $ 152,594 |