v3.24.1
Investment Properties - Summary of Maturity Analysis Of Operating Lease Payments (Detail)
$ in Thousands, $ in Thousands
Dec. 31, 2023
TWD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
TWD ($)
Disclosure of detailed information about investment property [line items]      
Undiscounted operating lease payments to be received $ 7,443,573 $ 243,095 $ 8,474,870
Year 1 [member]      
Disclosure of detailed information about investment property [line items]      
Undiscounted operating lease payments to be received 1,596,827 52,150 1,683,010
Year 2 [member]      
Disclosure of detailed information about investment property [line items]      
Undiscounted operating lease payments to be received 1,333,442 43,548 1,380,058
Year 3 [member]      
Disclosure of detailed information about investment property [line items]      
Undiscounted operating lease payments to be received 1,154,877 37,716 1,119,779
Year 4 [member]      
Disclosure of detailed information about investment property [line items]      
Undiscounted operating lease payments to be received 893,353 29,176 990,867
Year 5 [member]      
Disclosure of detailed information about investment property [line items]      
Undiscounted operating lease payments to be received 687,266 22,445 808,851
Year 6 onwards [member]      
Disclosure of detailed information about investment property [line items]      
Undiscounted operating lease payments to be received $ 1,777,808 $ 58,060 $ 2,492,305