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Borrowings - Summary of Long-term Borrowings (Parenthetical) (Detail) | 12 Months Ended
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Dec. 31, 2023
Disclosure of detailed information about borrowings [line items] |
Long term debt repayment | The above Inter-Korean Cooperation Fund is repayable in installments over 13 years after a seven-year grace period.
Vessel facility loans [member] | Shinhan Bank [member] |
Disclosure of detailed information about borrowings [line items] |
LIBOR rate | 5.331%
Vessel facility loans [member] | Woori Bank [Member] |
Disclosure of detailed information about borrowings [line items] |
LIBOR rate | 3.909%
Vessel facility loans [member] | NH Jayang [Member] |
Disclosure of detailed information about borrowings [line items] |
LIBOR rate | 3.82%

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- Definition The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_7&doctype=Standard -URIDate 2023-03-23 + Details
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Balance Type: | na
Period Type: | instant

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition Long term debt repayment description. + References No definition available. + Details
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Period Type: | duration

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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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- Details
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Period Type: |

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- Details
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Period Type: |