XML 112 R91.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Dividends Payable [Line Items] |  |  |  |  |
Dividends per share, declared (in dollars per share) |  |  | $ 0.72440 | $ 0.30375 | $ 0.225
Special cash dividends |  |  | $ 178,711 | $ 74,626 | $ 55,118
O 2024 Q4 Dividends |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |
Dividends per share, declared (in dollars per share) |  | $ 0.08269 |  |  |
Increase of quarterly dividends, percentage | 5.00% |  |  |  |
S 2024 Q4 Dividends |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |
Dividends per share, declared (in dollars per share) |  | $ 0.40546 |  |  |
Special cash dividends |  |  | $ 100,000 |  |

X
- Definition Common Stock, Dividends, Increase (Decrease) + References No definition available. + Details
Name: | amkr_CommonStockDividendsIncreaseDecrease
Namespace Prefix: | amkr_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of paid and unpaid common stock dividends declared with the form of settlement in cash. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_DividendsCommonStockCash
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_DividendsPayableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DividendsAxis=amkr_O2024Q4DividendsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DividendsAxis=amkr_S2024Q4DividendsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |