Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Acquisitions (Narrative) (Details)

v2.4.1.9
Acquisitions (Narrative) (Details) (Solid Concepts Inc [Member], USD $)
In Millions, except Share data, unless otherwise specified
0 Months Ended 3 Months Ended
Jul. 14, 2014
Mar. 31, 2015
Ownership percentage 100.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired  
Potential retention related payments   $ 30.3ssys_MaximumPotentialRetentionRelatedPayments
Retention related payments   0.1us-gaap_BusinessCombinationConsiderationTransferredOther1
Stock Issued During Period, Shares, Acquisitions 978,601us-gaap_StockIssuedDuringPeriodSharesAcquisitions  
Level 3 [Member]
   
Fair value of the deferred payments   22.4ssys_BusinessCombinationConsiderationFairValueOfDeferredPayments
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
Undiscounted amount of the deferred payments   25.8ssys_UnadjustedAmountOfDeferredPayments
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
Increase percentage in share price whose effect on fair value of deferred payments   10.00%ssys_BusinessCombinationIncreasePercentageInSharePriceWhoseEffectOnFairValueOfDeferredPayments
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
Increase in fair value of deferred payments due to increase of share price   2.2ssys_BusinessCombinationIncreaseInFairValueOfDeferredPaymentsDueToIncreaseOfSharePrice
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
Decrease percentage in share price whose effect on fair value of deferred payments liability   10.00%ssys_BusinessCombinationDecreasePercentageInSharePriceWhoseEffectOnFairValueOfDeferredPaymentsLiability
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
Increase in fair value of deferred payments liability due to decrease of share price   $ 0.7ssys_BusinessCombinationIncreaseInFairValueOfDeferredPaymentsLiabilityDueToDecreaseOfSharePrice
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member