Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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Unrecognized cost of unvested options awarded to employees as compensation.

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No definition available.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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-Publisher FASB

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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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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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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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Stock Option Plans - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Jun. 09, 2014	Jul. 26, 2013
Intrexon Stock Option Plan - 2008 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of authorized awards (shares)				5,714,285	2,857,142
Options outstanding (shares)	1,747,494
Intrexon Stock Option Plan - 2013 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of authorized awards (shares)						10,000,000	7,000,000
Options outstanding (shares)	6,576,050
Remaining shares available to grant (shares)	3,335,220
Intrexon Stock Option Plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (shares)	8,323,544	2,840,648	2,313,526	3,614,530
Term of issuance of option	10 years
Option issued, vesting period (no more than)	4 years
Expected dividend yield	0.00%	0.00%	0.00%
Unrecognized compensation costs related to nonvested awards	$ 62,281	$ 9,639	$ 4,910
Recognized over weighted-average period	3 years	3 years	3 years
Weighted average grant date fair value of options granted (usd per share)	$ 16.40	$ 12.91	$ 4.60
Aggregate intrinsic value of options exercised	$ 6,350	$ 1,136	$ 913
Options outstanding, weighted average exercise price (usd per share)	$ 22.59	$ 8.27	$ 5.90	5.22
Options exercisable (shares)	1,448,434
Exemplar Membership Interest Unit Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (shares)	397,000
Options outstanding, weighted average exercise price (usd per share)	$ 2.10
Options exercisable (shares)	275,667
Aqua Bounty Stock Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding (shares)	7,347,000	6,624,000
Options outstanding, weighted average exercise price (usd per share)	$ 0.31	$ 0.25
Options exercisable (shares)	6,171,520	6,052,000