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Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended
	Apr. 13, 2021	May 13, 2021	Aug. 31, 2017
Sarepta Therapeutics, Inc. | Forecast
Subsequent Event [Line Items]
Milestone payment	$ 3.0
2020 Sale Agreement - At-the-Market Offering
Subsequent Event [Line Items]
Sale common stock			$ 50.0
Subsequent Event | 2020 Sale Agreement - At-the-Market Offering
Subsequent Event [Line Items]
Sale of stock, number of shares issued in transaction (in shares)		206,593
Share price (in dollars per share)		$ 4.51
Sale common stock		$ 0.9

X

- Definition

License And Option Agreement, Milestone Payments

+ References

No definition available.

+ Details

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X

- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

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X

- 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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X

- 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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