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Business Combinations - Summary of Assets Acquired and Liabilities Assumed at the Date of Acquisition of SPIL (Detail) - Dec. 31, 2018 - Siliconware Precision Industries Co., Ltd. [member] $ in Thousands, $ in Thousands | USD ($) | TWD ($)
--- | --- | ---
Disclosure of detailed information about business combination [Line Items] |  |
Cash and cash equivalents | $ 656,288 | $ 20,088,970
Trade and other receivables | 517,499 | 15,840,649
Inventories | 186,006 | 5,693,644
Property, plant and equipment | 2,678,393 | 81,985,622
Intangible assets | 1,024,318 | 31,354,386
Others | 814,960 | 24,945,922
Trade and other payables | (645,396) | (19,755,598)
Borrowings and bonds payables | (789,192) | (24,157,174)
Others | (129,474) | (3,963,201)
Fair value of identifiable net assets acquired | $ 4,313,402 | $ 132,033,220

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