Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

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- Definition

Value of input used to measure derivative liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32618-110901

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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- Definition

Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

+ References

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FAIR VALUE MEASUREMENTS - Summary of Estimated Fair Value of Free Shares Valuation Assumptions (Detail)	Jun. 30, 2020 $ / shares	Jun. 30, 2020 € / shares	Dec. 31, 2019 $ / shares	Dec. 31, 2019 € / shares	Oct. 01, 2018 $ / shares
Stock Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Sangamo Stock Price (USD) (in dollars per share)	$ 8.77		$ 8.68
Exchange Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
USD / EUR Exchange Rate	0.89	0.89	0.91	0.91
Stock Price Volatility Estimate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Volatility Estimate	73.8	73.8	72.5	72.5
Price Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Volatility Estimate	6.5	6.5	6.6	6.6
Sangamo France
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Sangamo France Stock Price (EUR) (in euros per share)					$ 2.99
Sangamo France \| Stock Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Sangamo France Stock Price (EUR) (in euros per share) \| € / shares		€ 2.16		€ 2.14
Sangamo France \| Stock Price Correlation
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimated Correlation Sangamo and Sangamo France Stock Prices	100.0	100.0	100.0	100.0
Sangamo France \| Stock Price Volatility Estimate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Volatility Estimate	73.8	73.8	72.5	72.5