XML 90 R76.htm IDEA: XBRL DOCUMENT v3.21.2

Commitments and Contingencies (Purchase Commitments) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2021 USD ($)
Commitments to Purchase Equipment and Raw Materials
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Long-term Purchase Commitment, Amount	$ 56.2

X

- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

+ Details

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

X

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

X

- Details

Name:	us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis=amph_CommitmentsToPurchaseEquipmentAndRawMaterialsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: