XML 46 R32.htm IDEA: XBRL DOCUMENT
v3.26.1

Initial Public Offering - Warrants (Details) | Jun. 11, 2025 D $ / shares shares | Dec. 31, 2025 shares | Dec. 31, 2024 shares
--- | --- | --- | ---
Initial Public Offering |  |  |
Warrants outstanding | shares |  | 12,991,493 | 0
Warrants exercisable period after the completion of a Business Combination | 30 days |  |
Warrants exercisable period from IPO | 12 months |  |
Number of warrants or rights exercisable for cash | shares | 0 |  |
Warrants exercisable term | 5 years |  |
Threshold period after the closing of a Business Combination to file the registration statement | D | 20 |  |
Threshold period after the closing of a Business Combination to have declared effective a registration statement | D | 60 |  |
Class A ordinary shares |  |  |
Initial Public Offering |  |  |
Number of shares for each warrant | shares | 1 |  |
Exercise price of warrant | $ / shares | $ 11.5 |  |
Public warrants |  |  |
Initial Public Offering |  |  |
Warrants outstanding | shares |  | 12,649,993 |
Warrants exercisable period after the completion of a Business Combination | 30 days |  |
Warrants exercisable period from IPO | 12 months |  |
Warrants exercisable term | 5 years |  |
Redemption price per public warrant (in dollars per share) | $ / shares | $ 0.01 |  |
Written notice period for redemption of warrants | 30 days |  |
Stock price trigger for redemption of public warrants (in dollars per share) | $ / shares | $ 18 |  |
Threshold trading days for redemption of public warrants | D | 20 |  |
Threshold consecutive trading days for redemption of public warrants | D | 30 |  |
Restrictions on transfer period of time after business combination completion | 30 days |  |
Trading days for determining volume weighted average price before notice of redemption | D | 3 |  |
Public warrants | Class A ordinary shares |  |  |
Initial Public Offering |  |  |
Exercise price of warrant | $ / shares | $ 11.5 |  |
Private placement warrants |  |  |
Initial Public Offering |  |  |
Warrants outstanding | shares |  | 341,500 |

X
- Definition The number of warrants or rights exercisable for cash or cashless basis. + References No definition available. + Details
Name: | BLUW_ClassOfWarrantOrRightExercisableForCashOrCashlessBasis
Namespace Prefix: | BLUW_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the warrants exercisable period after the completion of a Business Combination. + References No definition available. + Details
Name: | BLUW_ClassOfWarrantOrRightExercisablePeriodAfterCompletionOfBusinessCombination
Namespace Prefix: | BLUW_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period after the closing of the initial public offering after which public warrants become exercisable. + References No definition available. + Details
Name: | BLUW_ClassOfWarrantOrRightExercisablePeriodFromInitialPublicOffering
Namespace Prefix: | BLUW_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Price of the entity's common stock which would be required to be attained to trigger the redemption of warrants. + References No definition available. + Details
Name: | BLUW_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsStockPriceTrigger
Namespace Prefix: | BLUW_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold number of specified consecutive trading days for stock price trigger considered for redemption of warrants. + References No definition available. + Details
Name: | BLUW_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdConsecutiveTradingDays
Namespace Prefix: | BLUW_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold number of specified trading days for stock price trigger considered for redemption of warrants. + References No definition available. + Details
Name: | BLUW_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays
Namespace Prefix: | BLUW_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Redemption price per share or per unit of warrants or rights outstanding. + References No definition available. + Details
Name: | BLUW_ClassOfWarrantOrRightRedemptionPriceOfWarrantsOrRights
Namespace Prefix: | BLUW_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold period after the closing of a Business Combination to file the registration statement + References No definition available. + Details
Name: | BLUW_ClassOfWarrantOrRightThresholdPeriodAfterClosingOfBusinessCombinationToFileRegistrationStatement
Namespace Prefix: | BLUW_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold period after the closing of a Business Combination to have declared effective a registration statement + References No definition available. + Details
Name: | BLUW_ClassOfWarrantOrRightThresholdPeriodAfterClosingOfBusinessCombinationToHaveDeclaredEffectiveRegistrationStatement
Namespace Prefix: | BLUW_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of days notice given to warrant holders prior to redemption of warrants, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | BLUW_ClassOfWarrantOrRightWrittenNoticePeriodForRedemptionOfWarrants
Namespace Prefix: | BLUW_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the individual quantitative and descriptive elements that provide details of the entity's initial public offering, including amounts, prices, securities issued, proceeds, underwriting fees, and other related disclosures within the IPO table. + References No definition available. + Details
Name: | BLUW_DisclosureInitialPublicOfferingLineItems
Namespace Prefix: | BLUW_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the trading days for determining volume weighted average price before the notice of redemption. + References No definition available. + Details
Name: | BLUW_NumberOfSpecifiedTradingDaysDeterminingVolumeWeightedAverageTradingPriceBeforeNoticeOfRedemption
Namespace Prefix: | BLUW_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The period of time after completion of a business combination during which the shares or warrant may not be transferred. + References No definition available. + Details
Name: | BLUW_RestrictionsOnTransferPeriodOfTimeAfterBusinessCombinationCompletion
Namespace Prefix: | BLUW_
Data Type: | xbrli:durationItemType
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 Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
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
- Definition Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_WarrantsAndRightsOutstandingTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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