Cash received on stock transaction after deduction of issuance costs.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

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- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- 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://fasb.org/us-gaap/role/ref/legacyRef
-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=120381028&loc=d3e5070-113901

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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Namespace Prefix:
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Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	2 Months Ended	12 Months Ended
	Feb. 28, 2021	Feb. 17, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Subsequent Event [Line Items]
Shares underlying stock options granted (in shares)			1,037,675	1,976,750	1,136,650
Restricted Stock Award
Subsequent Event [Line Items]
Shares granted under restricted stock awards (in shares)			2,872,588	1,640,275	373,500
2014 Equity Incentive Plan \| Restricted Stock Award
Subsequent Event [Line Items]
Shares granted under restricted stock awards (in shares)			1,876,025
Subsequent Event \| 2014 Equity Incentive Plan
Subsequent Event [Line Items]
Shares underlying stock options granted (in shares)	479,404
Subsequent Event \| 2014 Equity Incentive Plan \| Restricted Stock Award
Subsequent Event [Line Items]
Shares granted under restricted stock awards (in shares)	875,367
At the Market Offering \| Subsequent Event
Subsequent Event [Line Items]
Number of shares sold (in shares)		761,526
Price per share (in dollars per share)		$ 29.09
Consideration received on sale of stock		$ 21.7