XML 109 R86.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Insider Trading Arrangements - shares |  |  | 3 Months Ended
--- | --- | --- | ---
Feb. 23, 2024 | Feb. 22, 2024 | Dec. 31, 2023
Trading Arrangements, by Individual |  |  |
Material Terms of Trading Arrangement |  |  | Trading Plans: During the quarter ended December 31, 2023, no director or Section 16 officer adopted or terminated any Rule 10b5-1 trading arrangements or non-Rule 10b5-1 trading arrangements (as defined in Item 408(a) of Regulation S-K). ​ On February 23, 2024, Matthew J. Cox, Chairman and Chief Executive Officer, adopted a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) to sell up to 39,204 shares of Matson common stock through December 31, 2024, subject to certain pricing and other conditions. ​ On February 22, 2024, Joel M. Wine, Executive Vice President and Chief Financial Officer, adopted a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) to sell up to 76,156 shares of Matson common stock through July 31, 2024, subject to certain pricing and other conditions.
Rule 10b5-1 Arrangement Adopted |  |  | false
Non-Rule 10b5-1 Arrangement Adopted |  |  | false
Rule 10b5-1 Arrangement Terminated |  |  | false
Non-Rule 10b5-1 Arrangement Terminated |  |  | false
Matthew J. Cox |  |  |
Trading Arrangements, by Individual |  |  |
Name | Matthew J. Cox |  |
Title | Chairman and Chief Executive Officer |  |
Rule 10b5-1 Arrangement Adopted | true |  |
Adoption Date | February 23, 2024 |  |
Aggregate Available | 39,204 |  |
Expiration Date | December 31, 2024 |  |
Joel M. Wine |  |  |
Trading Arrangements, by Individual |  |  |
Name |  | Joel M. Wine |
Title |  | Executive Vice President and Chief Financial Officer |
Rule 10b5-1 Arrangement Adopted |  | true |
Adoption Date |  | February 22, 2024 |
Aggregate Available |  | 76,156 |
Expiration Date |  | July 31, 2024 |

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_MtrlTermsOfTrdArrTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_NonRule10b51ArrAdoptedFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_NonRule10b51ArrTrmntdFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_Rule10b51ArrAdoptedFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 1 + Details
Name: | ecd_Rule10b51ArrTrmntdFlag
Namespace Prefix: | ecd_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph A + Details
Name: | ecd_TradingArrByIndTable
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph B + Details
Name: | ecd_TrdArrAdoptionDate
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph A + Details
Name: | ecd_TrdArrIndName
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph A + Details
Name: | ecd_TrdArrIndTitle
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 408 -Subsection a -Paragraph 2 -Subparagraph D + Details
Name: | ecd_TrdArrSecuritiesAggAvailAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition NA + References No definition available. + Details
Name: | matx_TrdArrExpirationDate
Namespace Prefix: | matx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ecd_IndividualAxis=matx_MatthewJ.CoxMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=matx_JoelM.WineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |