XML 109 R88.htm IDEA: XBRL DOCUMENT
v3.26.1

Related party transactions - Others (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024
Related party transactions |  |
Interest expense charged by a related party | $ 801 | $ 769

X
- Definition The amount of interest expense charged by related party. + References No definition available. + Details
Name: | bwlp_InterestExpenseRelatedPartyTransactions
Namespace Prefix: | bwlp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration