Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

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- Definition

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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- Definition

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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Weighted average remaining contractual term for equity-based awards excluding options, 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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- Definition

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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- Definition

Gross number of share options (or share units) granted during the period.

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No definition available.

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- Definition

Number of non-vested options outstanding.

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of shares related to Restricted Stock Award forfeited during the period.

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-Name Regulation S-X (SX)

-Number 210

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-Paragraph 29, 30

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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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Stock-based Compensation - Additional Information (Detail) (USD $)	0 Months Ended	3 Months Ended		9 Months Ended		99 Months Ended
	Mar. 21, 2013	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based awards, shares granted				2,009,551
Stock options cancelled	345,000
Restricted stock, shares issued	371,034
Stock-based compensation expense		$ 1,130,000	$ 108,000	$ 1,531,000	$ 292,000	$ 2,561,000
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock awards, unvested		317,900		317,900		317,900
Restricted stock awards, weighted average remaining contractual term				2 years 3 months 18 days
Stock-based compensation expense		105,000		247,000
Restricted Stock Awards [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based awards, vesting period				4 years
Restricted Stock Awards [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based awards, vesting period				2 years
2005 Aerie Pharmaceutical Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based awards, shares granted				2,009,551	230,200
Unrecognized compensation expense		$ 14,400,000		$ 14,400,000		$ 14,400,000
Compensation cost, weighted average recognition period				3 years 6 months
Options outstanding, weighted average remaining contractual life				6 years
2005 Aerie Pharmaceutical Stock Plan [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based awards, shares authorized		3,586,227		3,586,227		3,586,227
Stock-based awards, vesting period				5 years
Stock-based awards, expiration period				10 years
2005 Aerie Pharmaceutical Stock Plan [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based awards, vesting period				1 year