Segment Reporting, Geographic Information, and Significant Customers - Summary of Customers Comprising More Than 10% in Net Revenue (Detail)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net Revenues | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk	64.00%	67.00%	47.00%
Net Revenues | Customer Concentration Risk | Samsung Electronics
Concentration Risk [Line Items]
Concentration risk	32.00%	38.00%	47.00%
Net Revenues | Customer Concentration Risk | Customer B
Concentration Risk [Line Items]
Concentration risk	18.00%	17.00%
Net Revenues | Customer Concentration Risk | Customer C
Concentration Risk [Line Items]
Concentration risk	14.00%	12.00%
Outstanding Accounts and Other Receivable | Credit Concentration Risk | Customer C
Concentration Risk [Line Items]
Concentration risk		66.00%
Outstanding Accounts and Other Receivable | Credit Concentration Risk | Customer D
Concentration Risk [Line Items]
Concentration risk			11.00%
Outstanding Accounts and Other Receivable | Credit Concentration Risk | Customer E
Concentration Risk [Line Items]
Concentration risk	35.00%	16.00%	28.00%
Outstanding Accounts and Other Receivable | Credit Concentration Risk | Customer F
Concentration Risk [Line Items]
Concentration risk	24.00%