Number of equity compensation plans.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Options, Outstanding, Weighted Average Remaining Recognition Period

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Recognition Period

+ References

No definition available.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

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).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

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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No definition available.

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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).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

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- Definition

Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Stock-Based Compensation - Additional Information (Detail) $ / shares in Units, $ in Thousands			3 Months Ended	12 Months Ended
	Apr. 10, 2015 shares	Oct. 30, 2013 shares	Mar. 31, 2018 USD ($) plan $ / shares shares	Dec. 31, 2017 shares	Dec. 07, 2016 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional awards granted (in shares)			793,236
Weighted-average exercise price (in dollars per share) \| $ / shares			$ 19.61
Options outstanding, weighted average remaining contractual life (in years)			7 years 2 months 5 days
Aggregate intrinsic value \| $			$ 207,230
Options exercisable, Weighted average remaining contractual life			6 years 1 month 4 days
2005 Aerie Pharmaceutical Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity compensation plans \| plan			3
Additional awards granted (in shares)		0
2013 Omnibus incentive plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional awards granted (in shares)	0
Equity awards (up to) (in shares)			5,729,068
Inducement Award Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity awards (up to) (in shares)				874,500	418,000
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense not yet recognized, options \| $			$ 77,800
Options, weighted average remaining recognition period (in years)			3 years 2 months 1 day
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, other than options \| $			$ 23,100
Other than options, weighted average remaining recognition period (in years)			3 years 3 months 28 days
Granted (in shares)			242,201
Restricted stock \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based awards, vesting period (in years)			1 year
Restricted stock \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based awards, vesting period (in years)			4 years
Restricted Stock With Non-Market Performance Conditions
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)				98,817
Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			53,000
Weighted-average exercise price (in dollars per share) \| $ / shares			$ 55.15
Options exercisable, Weighted average remaining contractual life			4 years 11 months 11 days