Segment Information - Summary of Property, Plant and Equipment Attributed to Significant Countries (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information
Property, plant and equipment	$ 479,544	$ 419,529	$ 359,523
UNITED STATES
Segment Reporting Information
Property, plant and equipment	308,156	289,049	257,584
SOUTH KOREA
Segment Reporting Information
Property, plant and equipment	43,540	41,698	39,562
JAPAN
Segment Reporting Information
Property, plant and equipment	37,851	34,276	23,648
MALAYSIA
Segment Reporting Information
Property, plant and equipment	34,339	31,138	19,212
TAIWAN, PROVINCE OF CHINA
Segment Reporting Information
Property, plant and equipment	16,264	18,804	16,073
All Other Segments
Segment Reporting Information
Property, plant and equipment	$ 39,394	$ 4,564	$ 3,444