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Commitments and Contingencies (Details) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2015 USD ($) item | Dec. 31, 2014 USD ($)
Value-added tax assessments and other civil litigation |  |
Commitments and contingencies |  |
Minimum number of claims that the Company's insurance coverage may not be sufficient to cover | item | 1 |
Provision for losses | $ 0 |
Future payments related to value-added tax assessments and other civil litigation, minimum | 0 |
Future payments related to value-added tax assessments and other civil litigation, maximum | 500 |
Non-income Tax Contingencies |  |
Commitments and contingencies |  |
Accrued liabilities | $ 2,009 | $ 2,760

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- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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