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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Statement of Comprehensive Income [Abstract] |  |
Net loss | $ (42,974) | $ (42,203)
Foreign currency translation adjustment | (1,633) | (1,504)
Change in unrealized gain on available-for-sale securities | 254 | 253
Comprehensive loss | (44,353) | (43,454)
Comprehensive loss attributable to non-controlling interest | (61) | (53)
Comprehensive loss attributable to Sangamo Therapeutics, Inc. | $ (44,292) | $ (43,401)

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