Gain From Sale of Priority Review Voucher - Additional Information (Detail) $ in Millions	12 Months Ended
Dec. 31, 2024 USD ($)
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Gain From Sale Of Intangible Asset [Line Items]
Proceeds From Sale Of Rare Pediatric Disease Priority Review Voucher	$ 102.0

Proceeds From Sale Of Rare Pediatric Disease Priority Review Voucher

No definition available.

Name:	srpt_ProceedsFromSaleOfRarePediatricDiseasePriorityReviewVoucher
Namespace Prefix:	srpt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration