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Concentration of Credit Risk - Schedule of Revenue by Geography (Details) - Customer Concentration Risk - Net Revenue | 3 Months Ended | 6 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Concentration Risk [Line Items] |  |  |  |
Concentration risk percentage | 10.00% | 10.00% | 10.00% | 10.00%
China |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Concentration risk percentage | 76.00% | 65.00% | 70.00% | 68.00%
Other Asia |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Concentration risk percentage | 4.00% | 13.00% | 6.00% | 13.00%
North America |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Concentration risk percentage | 15.00% | 18.00% | 18.00% | 14.00%
Europe |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Concentration risk percentage | 5.00% | 4.00% | 6.00% | 5.00%

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