XML 131 R116.htm IDEA: XBRL DOCUMENT v3.23.1
Investment Properties - Additional Information (Detail)
$ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2022
TWD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
TWD ($)
Dec. 31, 2020
TWD ($)
Disclosure of detailed information about investment property [line items]        
Adjustment to rent income $ 114,538 $ 3,727 $ 3,865 $ 54,139
Construction in progress [member]        
Disclosure of detailed information about investment property [line items]        
Reclassification of buildings and land use right to investment properties $ 9,722,579      
Bottom of range [member]        
Disclosure of detailed information about investment property [line items]        
Operating lease Term 1 year 1 year    
Top of range [member]        
Disclosure of detailed information about investment property [line items]        
Operating lease Term 20 years 20 years