Retirement Plans and Employee Rights Upon Termination (Narrative) (Details) (USD $)	2 Months Ended	12 Months Ended
Mar. 03, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Retirement Plans and Employee Rights Upon Termination [Abstract]
Severance liabilities		$ 3,200,000ssys_SeveranceLiabilities	$ 3,200,000ssys_SeveranceLiabilities
Employee contribution percentage		50.00%
Employer contributions matching amount	3,000	3,000
Percent of employee contribution matched by the Company	4.00%	3.00%
Employer contribution amount		$ 2,800,000	$ 1,100,000	$ 800,000

Amount of severance liabilities.

No definition available.

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- Details

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- Definition

The increase in the fair value of plan assets from contributions made by the employer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)(3)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

+ Details

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- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

+ Details

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- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

+ References

No definition available.

+ Details

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