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Collaborations (Details) - Collaborative Arrangement - Subsequent Event $ in Millions | 1 Months Ended
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Oct. 31, 2018 USD ($)
Collaborative Agreements |
Payments for collaborative arrangement | $ 7.0
Conditional aggregate payments per indication | $ 86.5

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- Definition Collaborative Agreement, Conditional Aggregate Payments Per Indication + References No definition available. + Details
Name: | fold_CollaborativeAgreementConditionalAggregatePaymentsPerIndication
Namespace Prefix: | fold_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Payments For Collaborative Arrangement + References No definition available. + Details
Name: | fold_PaymentsForCollaborativeArrangement
Namespace Prefix: | fold_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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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. + Details
Name: | us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_TypeOfArrangementAxis=us-gaap_CollaborativeArrangementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |