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No definition available.

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Aggregate number of common shares reserved for future issuance.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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This item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of long-term debt instruments that have contractual principal amounts and for which the fair value option has been elected.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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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.

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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

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No definition available.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions		9 Months Ended
	Sep. 16, 2021	Sep. 30, 2023	Sep. 30, 2022	Nov. 15, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Aggregate intrinsic value of stock options exercised		$ 8.4	$ 18.8
Options with an aggregate fair value		$ 1.4	$ 1.8
Options, grants in period, weighted average grant date fair value (in dollars per share)		$ 1.43	$ 1.92
New Ginkgo Earn-out shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Unrecognized compensation expense		$ 6.5
Unrecognized stock-based compensation recognition period		1 year 5 months 23 days
New Ginkgo Earn-out shares \| Maximum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based payment award, award vesting period	30 days
New Ginkgo Earn-out shares \| Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share-based payment award, award vesting period	20 days
Non-Employee
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Cash payment in plan modification			$ 9.8
Outstanding stock options
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Unrecognized compensation expense		$ 1.4
Unrecognized stock-based compensation recognition period		1 year
Restricted Stock Units
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options, grants in period, weighted average grant date fair value (in dollars per share)		$ 1.38	$ 3.68
Unrecognized compensation expense		$ 355.9
Unrecognized stock-based compensation recognition period		3 years 1 month 6 days
Cash payment in plan modification			$ 3.2
Granted (in shares)		94,427
Fair value of restricted stock awards vested		$ 271.2	$ 290.4
Restricted Stock Awards
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)		0	0
Earnout RSU
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Fair value of restricted stock awards vested		$ 5.9	$ 8.3
12.50 Then 25%
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share price (in dollars per share)				$ 12.50
12.50 Then 25% \| Common Stock \| New Ginkgo Earn-out shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share price (in dollars per share)	$ 12.50
15.00 Then 25% \| Common Stock \| New Ginkgo Earn-out shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share price (in dollars per share)	15.00
17.50 Then 25% \| Common Stock \| New Ginkgo Earn-out shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share price (in dollars per share)	17.50
20.00 Then 25% \| Common Stock \| New Ginkgo Earn-out shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Share price (in dollars per share)	$ 20.00
2021 Incentive Award Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock reserved for issuance (in shares)		189,000
2022 Inducement Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock reserved for issuance (in shares)		8,600