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

Fair Value Measurement (Schedule of Fair Value Measurements) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset (liabilities)	$ (450)	$ (568)
Foreign Exchange Future [Member] \| Not Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	374	90
Derivative liabilities	(196)	(921)
Foreign Exchange Future [Member] \| Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets		263
Derivative liabilities	$ (628)