Restructuring and Impairment Charges	12 Months Ended
Restructuring and Impairment Charges	Dec. 31, 2014
Restructuring and Related Activities [Abstract]
Restructuring and Impairment Charges	14. Restructuring and Impairment Charges 2014 Impairment Charges The Company recognized $10,269 thousand of impairment charges, which were incurred due to the closure of its six-inch fabrication facility. The impairment charges primarily resulted from $8,239 thousand of impairment to building, $1,763 thousand of impairment of machinery and equipment and $267 thousand of impairment of other tangible assets. 2013 Restructuring and Impairment Charges The Company recognized $1,829 thousand of restructuring charges for the year ended December 31, 2013 from restructuring its six-inch fabrication facility and $617 thousand of impairment charges from certain existing technology. The Company recognized impairment charges related to impairment of goodwill, certain technology and equipment of $3,389 thousand, $1,864 thousand and $508 thousand, respectively. These impairment charges relate to goodwill, technology and equipment purchased in connection with the Dawin acquisition.

The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled.

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