XML 132 R120.htm IDEA: XBRL DOCUMENT v3.22.1
Right of Use Assets - Summary of Lease Expenses Recognized in Consolidated Income Statements (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of detailed information about Right-of-use assets [Line Items]      
Depreciation charge of right of use assets $ 661 $ 621 $ 507
Interest expenses (included in finance cost) 70 79 $ 91
Expenses relating to short-term leases 3 7  
Expenses relating to lease of low-value assets that are not short-term leases 3 10  
Land [Member]      
Disclosure of detailed information about Right-of-use assets [Line Items]      
Depreciation charge of right of use assets 289 280  
Buildings [Member]      
Disclosure of detailed information about Right-of-use assets [Line Items]      
Depreciation charge of right of use assets 286 278  
Motor vehicle and other asset [Member]      
Disclosure of detailed information about Right-of-use assets [Line Items]      
Depreciation charge of right of use assets 53 38  
Office equipment [Member]      
Disclosure of detailed information about Right-of-use assets [Line Items]      
Depreciation charge of right of use assets $ 33 $ 25