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

Fair Value Measurement (Schedule of Fair Value Measurements) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	$ 994
Derivative liabilities		$ (568)
Foreign Exchange Future [Member] \| Recurring [Member] \| Not Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	1,854	90
Derivative liabilities	(320)	(921)
Foreign Exchange Future [Member] \| Recurring [Member] \| Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets		263
Derivative liabilities	$ (540)