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Commitments and Contingencies (Details) $ in Millions	Nov. 15, 2017 USD ($)	Dec. 31, 2017 lawsuit
Commitments and Contingencies
Number of purported securities class action lawsuits		3
Number of purported securities class action lawsuits naming additional company officers as defendants		1
Settlement Fund for class members | $	$ 3.8

X

- Definition

Number of lawsuits commenced

+ References

No definition available.

+ Details

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Namespace Prefix:	fold_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of lawsuit that list one or more of the entity's officers as named defendant(s)

+ References

No definition available.

+ Details

Name:	fold_NumberOfLawsuitsNamingAdditionalOfficer
Namespace Prefix:	fold_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount awarded to other party in judgment or settlement of litigation.

+ References

No definition available.

+ Details

Name:	us-gaap_LitigationSettlementAmountAwardedToOtherParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration