| Income Taxes (Details) (USD $) | 3 Months Ended | |
|---|---|---|
| Mar. 31, 2015 | Mar. 31, 2014 | |
| Income Taxes [Abstract] | ||
| Effective Income Tax Rate, Continuing Operations | 4.30%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 915.80%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 
| Change in Fair Value of Obligations in Connection With Acquisitions | $ (13,256,000)ssys_ChangeInFairValueOfObligationsInConnectionWithAcquisitions | $ (7,495,000)ssys_ChangeInFairValueOfObligationsInConnectionWithAcquisitions | 
| Goodwill impairment | 150,400,000us-gaap_GoodwillImpairmentLoss | |
| Income Tax [Line Items] | ||
| Valuation allowance recorded against deferred tax assets | 17,200,000us-gaap_DeferredTaxAssetsValuationAllowance | |
| MakerBot [Member] | ||
| Income Tax [Line Items] | ||
| Reversal of deferred tax liabilities | $ 17,200,000ssys_ReversalOfDeferredTaxLiabilities / us-gaap_BusinessAcquisitionAxis = ssys_MakerbotMember | |
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- Definition Represents the amount of change in fair value of obligations in connection with acquisitions. No definition available. 
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- Definition Amount of reversal of deferred tax liabilities. No definition available. 
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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