XML 167 R146.htm IDEA: XBRL DOCUMENT v3.22.1
Income Tax Expense - Deferred Tax Charged to Other Comprehensive Income (Detail)
$ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2021
TWD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
TWD ($)
Dec. 31, 2019
TWD ($)
Income tax relating to components of other comprehensive income [abstract]        
Unrealized gain (loss) on valuation of financial assets at fair value through other comprehensive income $ 30,459   $ 34,794 $ (7,016)
Remeasurement of defined benefit obligations (2,999)   (10,398) 4,183
Total $ 27,460 $ 990 $ 24,396 $ (2,833)