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
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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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
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-Paragraph 2
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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.

+ References

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
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Share-Based Compensation (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
Share-Based Compensation (Details) - USD ($) $ in Thousands	Aug. 31, 2016	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Mar. 31, 2016
Share-Based Compensation
Share-based compensation expense		$ 9,895	$ 12,251	$ 31,129	$ 42,539
First tranche
Share-Based Compensation
Share-based compensation expense		600		1,200
Second and third tranches
Share-Based Compensation
Share-based compensation expense		0
Research and development
Share-Based Compensation
Share-based compensation expense		4,933	6,035	15,052	20,334
Selling, general and administrative
Share-Based Compensation
Share-based compensation expense		$ 4,962	$ 6,216	$ 16,077	$ 22,205
Potential planned \| Research and development
Share-Based Compensation
Share-based compensation expense	$ 16,700
Potential planned \| Selling, general and administrative
Share-Based Compensation
Share-based compensation expense	22,200
Senior management
Share-Based Compensation
Vesting period				5 years
Performance-Contingent Awards - RSAs \| Senior management
Share-Based Compensation
Shares approved for grant (in shares)						1,575,000
Performance-Contingent Awards - RSUs \| Senior management
Share-Based Compensation
Shares approved for grant (in shares)						135,000
Maximum \| Potential planned
Share-Based Compensation
Share-based compensation expense	$ 38,900