XML 86 R74.htm IDEA: XBRL DOCUMENT v3.23.1
SEGMENT INFORMATION - Revenue From External Customers Based Major Categories (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure Of Geographical Areas [Line Items]      
Revenue $ 433,893 $ 476,659 $ 313,564
At a point in time      
Disclosure Of Geographical Areas [Line Items]      
Revenue 407,410 451,567 302,712
Over time      
Disclosure Of Geographical Areas [Line Items]      
Revenue 26,483 25,092 10,852
North Asia      
Disclosure Of Geographical Areas [Line Items]      
Revenue 77,329 107,032 73,199
North Asia | At a point in time      
Disclosure Of Geographical Areas [Line Items]      
Revenue 77,287 107,032 73,199
North Asia | Over time      
Disclosure Of Geographical Areas [Line Items]      
Revenue 42 0 0
Thailand      
Disclosure Of Geographical Areas [Line Items]      
Revenue 171,841 197,779 143,647
Thailand | At a point in time      
Disclosure Of Geographical Areas [Line Items]      
Revenue 171,613 197,544 143,463
Thailand | Over time      
Disclosure Of Geographical Areas [Line Items]      
Revenue 228 235 184
ROW      
Disclosure Of Geographical Areas [Line Items]      
Revenue 184,723 171,848 96,718
ROW | At a point in time      
Disclosure Of Geographical Areas [Line Items]      
Revenue 158,510 146,991 86,050
ROW | Over time      
Disclosure Of Geographical Areas [Line Items]      
Revenue 26,213 24,857 10,668
Power      
Disclosure Of Geographical Areas [Line Items]      
Revenue 182,171 191,520 127,630
Power | North Asia      
Disclosure Of Geographical Areas [Line Items]      
Revenue 92 0 0
Power | Thailand      
Disclosure Of Geographical Areas [Line Items]      
Revenue 46,340 63,629 48,851
Power | ROW      
Disclosure Of Geographical Areas [Line Items]      
Revenue 135,739 127,891 78,779
Enamel      
Disclosure Of Geographical Areas [Line Items]      
Revenue 178,124 212,776 131,150
Enamel | North Asia      
Disclosure Of Geographical Areas [Line Items]      
Revenue 76,002 107,027 73,179
Enamel | Thailand      
Disclosure Of Geographical Areas [Line Items]      
Revenue 102,122 105,749 57,971
Enamel | ROW      
Disclosure Of Geographical Areas [Line Items]      
Revenue 0 0 0
SDI      
Disclosure Of Geographical Areas [Line Items]      
Revenue 45,931 39,476 15,600
SDI | North Asia      
Disclosure Of Geographical Areas [Line Items]      
Revenue 1,209 0  
SDI | Thailand      
Disclosure Of Geographical Areas [Line Items]      
Revenue 0 0  
SDI | ROW      
Disclosure Of Geographical Areas [Line Items]      
Revenue 44,722 39,476  
Others      
Disclosure Of Geographical Areas [Line Items]      
Revenue 27,667 32,887 21,683
Others | North Asia      
Disclosure Of Geographical Areas [Line Items]      
Revenue 26 5 20
Others | Thailand      
Disclosure Of Geographical Areas [Line Items]      
Revenue 23,379 28,401 3,724
Others | ROW      
Disclosure Of Geographical Areas [Line Items]      
Revenue $ 4,262 $ 4,481 17,939
Fabrication      
Disclosure Of Geographical Areas [Line Items]      
Revenue     33,101
Fabrication | North Asia      
Disclosure Of Geographical Areas [Line Items]      
Revenue     0
Fabrication | Thailand      
Disclosure Of Geographical Areas [Line Items]      
Revenue     33,101
Fabrication | ROW      
Disclosure Of Geographical Areas [Line Items]      
Revenue     $ 0