XML 89 R110.htm IDEA: XBRL DOCUMENT v3.20.1
Financial Assets and Financial Liabilities - Summary of Interest-bearing Loans and Borrowings (Detail)
฿ in Thousands, ¥ in Thousands, $ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2019
THB (฿)
Dec. 31, 2019
CNY (¥)
Dec. 31, 2019
SGD ($)
Dec. 31, 2018
THB (฿)
Dec. 31, 2018
CNY (¥)
Disclosure of detailed information about borrowings [Line Items]              
Current interest-bearing loans and borrowings, Amount $ 11,356 $ 24,814          
Renminbi (RMB) [Member]              
Disclosure of detailed information about borrowings [Line Items]              
Current interest-bearing loans and borrowings, Maturity Mar. 2020 ~ Sept. 2020 Jan. 2019 ~ Sept. 2019          
Current interest-bearing loans and borrowings, Amount $ 2,929 $ 6,130   ¥ 20,400     ¥ 42,100
Renminbi (RMB) [Member] | Bottom of range [Member]              
Disclosure of detailed information about borrowings [Line Items]              
Current interest-bearing loans and borrowings, Interest rate 5.00% 4.70% 5.00% 5.00% 5.00% 4.70% 4.70%
Renminbi (RMB) [Member] | Top Of Range [Member]              
Disclosure of detailed information about borrowings [Line Items]              
Current interest-bearing loans and borrowings, Interest rate 5.50% 4.79% 5.50% 5.50% 5.50% 4.79% 4.79%
Thai Baht (THB) [Member]              
Disclosure of detailed information about borrowings [Line Items]              
Current interest-bearing loans and borrowings, Maturity Jan. 2020 ~ Jun. 2020 Jan. 2019 ~ Jun. 2019          
Current interest-bearing loans and borrowings, Amount $ 5,423 $ 18,684 ฿ 161,018     ฿ 602,150  
Thai Baht (THB) [Member] | Bottom of range [Member]              
Disclosure of detailed information about borrowings [Line Items]              
Current interest-bearing loans and borrowings, Interest rate 1.90% 1.10% 1.90% 1.90% 1.90% 1.10% 1.10%
Thai Baht (THB) [Member] | Top Of Range [Member]              
Disclosure of detailed information about borrowings [Line Items]              
Current interest-bearing loans and borrowings, Interest rate 2.70% 2.10% 2.70% 2.70% 2.70% 2.10% 2.10%
Singapore dollars (SGD) [Member]              
Disclosure of detailed information about borrowings [Line Items]              
Current interest-bearing loans and borrowings, Interest rate 3.05%   3.05% 3.05% 3.05%    
Current interest-bearing loans and borrowings, Maturity Feb. 2020 ~ Apr. 2020            
Current interest-bearing loans and borrowings, Amount $ 3,004       $ 4,042