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v3.23.3

Commitments and Contingencies (Details) $ in Millions | Sep. 30, 2023 USD ($)
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Commitments and Contingencies Disclosure [Abstract] |
Amount of leases not yet commenced | $ 11

X
- Definition Lessee, Lease Not Yet Commenced, Liability + References No definition available. + Details
Name: | amkr_LesseeLeaseNotYetCommencedLiability
Namespace Prefix: | amkr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration