XML 68 R119.htm IDEA: XBRL DOCUMENT v3.20.1
Leasing arrangements - leasee - summary of carrying amount of right-of-use assets and the depreciation expenses (Detail) - 12 months ended Dec. 31, 2019
$ in Thousands, $ in Thousands
TWD ($)
USD ($)
Disclosure of quantitative information about right-of-use assets [line items]    
Carrying amount $ 687,068 $ 22,971
Depreciation expenses (36,099)  
Land [member]    
Disclosure of quantitative information about right-of-use assets [line items]    
Carrying amount 669,967  
Depreciation expenses (22,657)  
Buildings [member]    
Disclosure of quantitative information about right-of-use assets [line items]    
Carrying amount 15,043  
Depreciation expenses (7,113)  
Machinery and equipment [member]    
Disclosure of quantitative information about right-of-use assets [line items]    
Depreciation expenses (4,520)  
Others [member]    
Disclosure of quantitative information about right-of-use assets [line items]    
Carrying amount 2,058  
Depreciation expenses $ (1,809)