XML 58 R82.htm IDEA: XBRL DOCUMENT v3.20.1
Segment Information - Summary of Application of IFRS 16 Increased the Segment Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Disclosure Of Operating Segments [Line Items]    
Assets $ 298,911 $ 305,798
Liabilities 70,476 83,982
Increase due to application of IFRS 16 [member]    
Disclosure Of Operating Segments [Line Items]    
Assets 2,698  
Liabilities 2,757  
Operating segments [Member]    
Disclosure Of Operating Segments [Line Items]    
Assets 291,576 298,222
Liabilities 62,752 77,071
Operating segments [Member] | Increase due to application of IFRS 16 [member]    
Disclosure Of Operating Segments [Line Items]    
Assets 2,506  
Liabilities 2,552  
Operating segments [Member] | North Asia (Segment) [Member]    
Disclosure Of Operating Segments [Line Items]    
Assets 49,379 54,250
Liabilities 14,212 20,169
Operating segments [Member] | Thailand (Segment) [Member]    
Disclosure Of Operating Segments [Line Items]    
Assets 165,579 173,398
Liabilities 26,706 42,887
Operating segments [Member] | ROW (Segment) [Member]    
Disclosure Of Operating Segments [Line Items]    
Assets 76,618 70,574
Liabilities 21,834 14,015
Operating segments [Member] | ROW (Segment) [Member] | Increase due to application of IFRS 16 [member]    
Disclosure Of Operating Segments [Line Items]    
Assets 2,506  
Liabilities 2,552  
Corporate expense adjustments and eliminations [Member]    
Disclosure Of Operating Segments [Line Items]    
Assets 7,335 7,576
Liabilities 7,724 $ 6,911
Corporate expense adjustments and eliminations [Member] | Increase due to application of IFRS 16 [member]    
Disclosure Of Operating Segments [Line Items]    
Assets 192  
Liabilities $ 205