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Business Combinations - Summary of Assets Acquired and Liabilities Assumed at the Date of Acquisition (Detail) - Dec. 31, 2021 $ in Thousands, $ in Thousands | TWD ($) | USD ($)
--- | --- | ---
AMPI [member] |  |
Disclosure of detailed information about business combination [Line Items] |  |
Cash and cash equivalents | $ 349,496 |
Trade and other receivables | 371,144 |
Inventories | 403,887 |
Property, plant and equipment | 683,207 |
Intangible assets | 128,900 |
Others | 237,766 |
Trade and other payables | (224,295) |
Borrowings and bonds payables | (951,519) |
Others | (148,723) |
Fair value of identifiable net assets acquired | 849,863 |
ASEEE [member] |  |
Disclosure of detailed information about business combination [Line Items] |  |
Cash and cash equivalents | 23,197 |
Trade and other receivables | 5,732 |
Inventories | 11,033 |
Property, plant and equipment | 1,361,572 |
Intangible assets | 290,757 |
Others | 317,888 |
Trade and other payables | (133,278) |
Borrowings and bonds payables | (1,371,395) |
Others | (290,273) |
Fair value of identifiable net assets acquired | 215,233 |
USIPL [member] |  |
Disclosure of detailed information about business combination [Line Items] |  |
Cash and cash equivalents | 108,718 |
Trade and other receivables | 58,713 |
Inventories | 229 |
Property, plant and equipment | 525,048 |
Intangible assets | 11,704 |
Others | 99,112 |
Trade and other payables | (217,887) |
Borrowings and bonds payables | (190,737) |
Others | (63,708) |
Fair value of identifiable net assets acquired | 331,192 |
FAFG [member] |  |
Disclosure of detailed information about business combination [Line Items] |  |
Cash and cash equivalents | 2,349,164 |
Trade and other receivables | 4,434,296 |
Inventories | 4,836,819 |
Property, plant and equipment | 2,882,720 |
Intangible assets | 1,541,155 |
Others | 1,919,118 |
Trade and other payables | (4,575,720) |
Borrowings and bonds payables | (356,417) |
Others | (3,155,051) |
Fair value of identifiable net assets acquired | 9,876,084 |
ITGEU |  |
Disclosure of detailed information about business combination [Line Items] |  |
Cash and cash equivalents | 68,719 | $ 2,477
Trade and other receivables | 41,832 | 1,508
Property, plant and equipment | 94 | 3
Intangible assets | 32 | 1
Others | 2,828 | 102
Trade and other payables | (29,165) | (1,051)
Others | (858) | (31)
Fair value of identifiable net assets acquired | 83,482 | 3,009
SER [Member] |  |
Disclosure of detailed information about business combination [Line Items] |  |
Cash and cash equivalents | 18,850 | 680
Trade and other receivables | 40,671 | 1,466
Inventories | 375,912 | 13,551
Property, plant and equipment | 37,672 | 1,357
Intangible assets | 368 | 14
Others | 186,377 | 6,719
Trade and other payables | (214,883) | (7,746)
Others | (227,048) | (8,185)
Fair value of identifiable net assets acquired | $ 217,919 | $ 7,856

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