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Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2014 Value-added tax assessments and other civil litigation item | Sep. 30, 2014 Non-income Tax Contingencies | Dec. 31, 2013 Non-income Tax Contingencies
Commitments and contingencies |  |  |
Minimum number of claims that the Company's insurance coverage may not be sufficient to cover | 1 |  |
Accrued liabilities |  | $ 3,462 | $ 6,312
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 |  |

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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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- Definition The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates. + 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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