XML 163 R152.htm IDEA: XBRL DOCUMENT v3.25.1
Share-based Payment - Number and Weighted Average Exercise Prices ("WAEP") of, and Movements in Share Options (Detail)
12 Months Ended
Dec. 31, 2024
shares
$ / shares
Dec. 31, 2023
shares
$ / shares
Dec. 31, 2022
$ / shares
shares
Disclosure of terms and conditions of share-based payment arrangement [abstract]      
Outstanding at January 1 | shares   270,000 270,000
Expired | shares (270,000) 0  
Outstanding at December 31 | shares 0 270,000  
Number of share options exercisable | shares 0 270,000  
Beginning balance | $ / shares $ 21.11 $ 21.11  
Expired | $ / shares $ 21.11    
WAEP outstanding | $ / shares   21.11 $ 21.11
WAEP exercisable | $ / shares   $ 21.11