Consolidated Statements of Cash Flows (Parenthetical) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2014	Sep. 30, 2013
Consolidated Statements of Cash Flows [Abstract]
Fair value of assets acquired, cash portion	$ 6,501	$ 3,405

The only cash portion of fair value of assets acquired in noncash investing or financing activities.

No definition available.

Name:	ssys_FairValueOfAssetsAcquiredCashPortionAmount
Namespace Prefix:	ssys_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration