XML 72 R52.htm IDEA: XBRL DOCUMENT
v3.25.2

SHAREHOLDER'S EQUITY - CARES Act Issuance (Details) - $ / shares | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2025 | Jun. 30, 2025 | Dec. 31, 2021 | Dec. 31, 2020
US Treasury CARES Act Loan |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |
Class of warrant or right, Number of securities called by warrants or rights (in shares) |  |  | 1,455,437 |
Warrants outstanding (in shares) |  | 221,812 |  | 427,080
Exercise price of warrant (in dollars per share) |  | $ 66.39 |  |
net share settlement (in shares) | 809,768 |  |  |
US Treasury CARES Act Loan - Warrants, Exercise Price $31.61 |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |
Class of warrant or right, Number of securities called by warrants or rights (in shares) | 1,355,206 |  |  |
Warrants exercised (in shares) | 1,660,705 |  |  |
Exercise price of warrant (in dollars per share) | $ 31.61 |  |  |
US Treasury CARES Act Loan - Warrants, Exercise Price of $52.25 |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |
Class of warrant or right, Number of securities called by warrants or rights (in shares) | 305,499 |  |  |
Exercise price of warrant (in dollars per share) | $ 52.25 |  |  |

X
- Definition Class of Warrant or Right, Number of Warrants Exercised + References No definition available. + Details
Name: | alk_ClassOfWarrantOrRightNumberOfWarrantsExercised
Namespace Prefix: | alk_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock Issued During Period, Shares, Warrants Exercised + References No definition available. + Details
Name: | alk_StockIssuedDuringPeriodSharesWarrantsExercised
Namespace Prefix: | alk_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=alk_USTreasuryCARESActLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=alk_USTreasuryCARESActLoanWarrantsExercisePrice31.61Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=alk_USTreasuryCARESActLoanWarrantsExercisePriceOf52.25Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |