Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Acquisitions (Narrative) (Details)

v2.4.1.9
Acquisitions (Narrative) (Details) (USD $)
12 Months Ended 0 Months Ended 6 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 11, 2014
Dec. 01, 2012
Jul. 14, 2014
Aug. 15, 2013
Aug. 15, 2013
Dec. 31, 2013
Sep. 22, 2014
Aug. 01, 2014
Change in fair value of obligations in connection with acquisitions $ (26,150,000)ssys_ChangeInFairValueOfObligationsInConnectionWithAcquisitions $ 754,000ssys_ChangeInFairValueOfObligationsInConnectionWithAcquisitions                   
Fair value of shares issued and stock options 117,845,000us-gaap_StockIssuedDuringPeriodValueAcquisitions 453,217,000us-gaap_StockIssuedDuringPeriodValueAcquisitions 1,340,897,000us-gaap_StockIssuedDuringPeriodValueAcquisitions                
Selling, general and administrative expenses     7,600,000us-gaap_SellingGeneralAndAdministrativeExpense                
Reverse stock split
one-for-8.691
                   
Joint venture [Member]                      
Agreement term       5 years              
Objet Ltd [Member]                      
Compensation expense         4,500,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_BusinessAcquisitionAxis
= ssys_ObjetLtdMember
           
Objet Ltd [Member] | Customer Relationships [Member]                      
Weighted Average Life - Years         10 years            
Objet Ltd [Member] | Trade name [Member]                      
Weighted Average Life - Years         9 years            
Solid Concepts Inc [Member]                      
Ownership percentage           100.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
         
Change in fair value of obligations in connection with acquisitions 7,900,000ssys_ChangeInFairValueOfObligationsInConnectionWithAcquisitions
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
                   
Acquisition related costs 2,900,000us-gaap_BusinessCombinationAcquisitionRelatedCosts
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
                   
Potential retention related payments 45,900,000ssys_MaximumPotentialRetentionRelatedPayments
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
        77,000,000ssys_MaximumPotentialRetentionRelatedPayments
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
         
Retention related payments 13,100,000us-gaap_BusinessCombinationConsiderationTransferredOther1
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
                   
Other intangible assets           37,606,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
         
Stock Issued During Period, Shares, Acquisitions           978,601,000us-gaap_StockIssuedDuringPeriodSharesAcquisitions
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
         
Fair value of shares issued and stock options           97,869,000us-gaap_StockIssuedDuringPeriodValueAcquisitions
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
         
Solid Concepts Inc [Member] | Customer Relationships [Member]                      
Other intangible assets 36,500,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
                   
Weighted Average Life - Years 6 years 7 months 6 days                    
Solid Concepts Inc [Member] | Trade name [Member]                      
Other intangible assets 1,100,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TradeNamesMember
                   
Solid Concepts Inc [Member] | Level 3 [Member]                      
Fair value of the deferred payment 35,700,000ssys_BusinessCombinationConsiderationFairValueOfDeferredPayments
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
                   
Undiscounted amount of the deferred payments 40,600,000ssys_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 3,600,000ssys_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 1,000,000ssys_BusinessCombinationIncreaseInFairValueOfDeferredPaymentsLiabilityDueToDecreaseOfSharePrice
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
                   
Solid Concepts Inc [Member] | Retention-related and other payments [Member]                      
Cash paid for acquisitions           19,600,000ssys_PaymentToAcquisitionsAndRelatedItems
/ us-gaap_BusinessAcquisitionAxis
= ssys_SolidConceptsIncMember
/ us-gaap_StatementScenarioAxis
= ssys_RetentionRelatedAndOtherPaymentsMember
         
GrabCAD                      
Ownership percentage                   100.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_BusinessAcquisitionAxis
= ssys_GradCADIncMember
 
Harvest Technologies Inc. [Member]                      
Ownership percentage                     100.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_BusinessAcquisitionAxis
= ssys_HarvestTechnologiesIncMember
MakerBot [Member]                      
Ownership percentage             100.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_BusinessAcquisitionAxis
= ssys_MakerbotMember
100.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_BusinessAcquisitionAxis
= ssys_MakerbotMember
     
Change in fair value of obligations in connection with acquisitions 18,300,000ssys_ChangeInFairValueOfObligationsInConnectionWithAcquisitions
/ us-gaap_BusinessAcquisitionAxis
= ssys_MakerbotMember
                   
Consideration issued for acquisition             493,700,000us-gaap_BusinessCombinationConsiderationTransferredIncludingEquityInterestInAcquireeHeldPriorToCombination1
/ us-gaap_BusinessAcquisitionAxis
= ssys_MakerbotMember
       
Earn-out obligation amount   10,800,000us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
/ us-gaap_BusinessAcquisitionAxis
= ssys_MakerbotMember
            10,800,000us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
/ us-gaap_BusinessAcquisitionAxis
= ssys_MakerbotMember
   
Stock Issued During Period, Shares, Acquisitions               3,920,000us-gaap_StockIssuedDuringPeriodSharesAcquisitions
/ us-gaap_BusinessAcquisitionAxis
= ssys_MakerbotMember
     
Exchange for fully diluted shares               73,000us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment
/ us-gaap_BusinessAcquisitionAxis
= ssys_MakerbotMember
     
Amount of shares issued for which the company paid tax withholding payments               115,000ssys_AmountOfSharesIssuedForWhichCompanyPaidTaxWithholdingPayments
/ us-gaap_BusinessAcquisitionAxis
= ssys_MakerbotMember
     
Amount of shares held to secure indemnification rights               655,000ssys_AmountOfSharesHeldToSecureIndemnificationRights
/ us-gaap_BusinessAcquisitionAxis
= ssys_MakerbotMember
     
Shares held to settlements of indemnification rights at the end of hold-back period               651,000ssys_SharesHeldToSettlementsOfIndemnificationRightsAtEndOfHoldbackPeriod
/ us-gaap_BusinessAcquisitionAxis
= ssys_MakerbotMember
     
Earn-out obligation             28,300,000ssys_EarnOutObligation
/ us-gaap_BusinessAcquisitionAxis
= ssys_MakerbotMember
28,300,000ssys_EarnOutObligation
/ us-gaap_BusinessAcquisitionAxis
= ssys_MakerbotMember
     
Earn amount on performance bonus plan                 10,800,000ssys_BusinessCombinationContingentConsiderationEarnOutGainLossAmount
/ us-gaap_BusinessAcquisitionAxis
= ssys_MakerbotMember
   
Value of earn-out payments 0ssys_StockIssuedDuringPeriodValueOfEarnOutPayment
/ us-gaap_BusinessAcquisitionAxis
= ssys_MakerbotMember
                   
Selling, general and administrative expenses   $ 6,100,000us-gaap_SellingGeneralAndAdministrativeExpense
/ us-gaap_BusinessAcquisitionAxis
= ssys_MakerbotMember
                 
MakerBot [Member] | Customer Relationships [Member]                      
Weighted Average Life - Years             1 year        
MakerBot [Member] | Trade name [Member]                      
Weighted Average Life - Years             11 years        
MakerBot [Member] | Maximum [Member]                      
Shares issued in earn-out payments 800,000ssys_StockIssuedDuringPeriodSharesEarnOutPayment
/ us-gaap_BusinessAcquisitionAxis
= ssys_MakerbotMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember