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Inventories, Net and Significant Suppliers - Purchases from Significant Suppliers (Details) - Texas Instruments - Supplier Concentration Risk - Inventory Purchases - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Concentration Risk [Line Items]
Purchases from significant supplier	$ 0	$ 11,450	$ 0	$ 20,578
Percent of total inventory purchases	0.00%	11.00%	0.00%	10.70%

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Inventory Purchases

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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