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v3.19.1

Profit Before Income Tax - Additional Information (Detail) $ in Thousands, $ in Thousands | 8 Months Ended
--- | ---
Dec. 31, 2018 USD ($) | Dec. 31, 2018 TWD ($)
Analysis of income and expense [Line Items] |  |
Percentage of employees' compensation | 0.20% | 0.20%
Employees' compensation | $ 1,484 | $ 45,430
Remuneration to directors | $ 1,113 | $ 34,073
Percentage of remuneration to directors | 0.15% | 0.15%
Bottom of range [member] |  |
Analysis of income and expense [Line Items] |  |
Percentage of employees' compensation | 0.01% | 0.01%
Top of range [member] |  |
Analysis of income and expense [Line Items] |  |
Percentage of employees' compensation | 1.00% | 1.00%
Percentage of remuneration to directors | 0.75% | 0.75%

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