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Financial Assets at Fair Value Through Other Comprehensive Income - Summary of Investments in Debt Instruments at Fair Value Through Other Comprehensive Income (Detail) - Dec. 31, 2018 $ in Thousands, $ in Thousands	USD ($)	TWD ($)
Financial assets at fair value through other comprehensive income [line items]
Investments in debt instruments at FVTOCI	$ 33,222	$ 1,016,924
Unsecured subordinate corporate bonds [member]
Financial assets at fair value through other comprehensive income [line items]
Investments in debt instruments at FVTOCI	$ 33,222	$ 1,016,924

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- Definition

Fair value of investments in debt instruments designated as measured at fair value through other comprehensive income.

+ References

No definition available.

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- Definition

Financial assets at fair value through other comprehensive income [line items]

+ References

No definition available.

+ Details

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- Details

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