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Restructuring Gain	6 Months Ended
Restructuring Gain	Jun. 30, 2016
Restructuring and Related Activities [Abstract]
Restructuring Gain	12. Restructuring Gain During the first quarter of 2016, the Company completed all procedures necessary to sell all machineries in its closed six-inch fabrication facility in Cheongju, South Korea (the “6-inch fab”) and recognized the $7,785 thousand of restructuring gain from the related deposit of $8,165 thousand received as of December 31, 2015, net of certain direct selling costs.