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Summary of Accrual Activities by Components Related to Company's Restructuring Charges (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014
Restructuring Cost And Reserve [Line Items] |  |
Accrued expense beginning balance | $ 231 | $ 1,374
Restructuring charges (reversal of charges) | 5,840 | 414
Cash payments | (3,126) | (933)
Non-cash write-offs and other adjustments | (1,063) | (624)
Accrued expense ending balance | 1,882 | 231
Severance |  |
Restructuring Cost And Reserve [Line Items] |  |
Accrued expense beginning balance | 102 | 687
Restructuring charges (reversal of charges) | 3,918 | (83)
Cash payments | (2,668) | (502)
Non-cash write-offs and other adjustments | 6 |
Accrued expense ending balance | 1,358 | 102
Facility |  |
Restructuring Cost And Reserve [Line Items] |  |
Accrued expense beginning balance | 108 | 648
Restructuring charges (reversal of charges) | 441 | (247)
Cash payments | (156) | (293)
Non-cash write-offs and other adjustments | 13 |
Accrued expense ending balance | 406 | 108
Depreciation |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges (reversal of charges) | 1,082 | 624
Non-cash write-offs and other adjustments | (1,082) | (624)
Other Restructuring Charges |  |
Restructuring Cost And Reserve [Line Items] |  |
Accrued expense beginning balance | 21 | 39
Restructuring charges (reversal of charges) | 399 | 120
Cash payments | (302) | (138)
Accrued expense ending balance | $ 118 | $ 21

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- Definition Amount of consideration other than cash used to fully or partially settle an accrued restructuring cost and amount of foreign currency translation adjustment increasing or decreasing the accrual for a specified type of restructuring costs. + References No definition available. + Details
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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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