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Period Type:	duration

Redemption price per share or per unit of warrants or rights outstanding.

No definition available.

Name:	bleu_ClassOfWarrantOrRightRedemptionPrice
Namespace Prefix:	bleu_
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Period Type:	instant

Threshold trigger price per share or per unit of warrants or rights outstanding for redemption of warrants.

No definition available.

Name:	bleu_ClassOfWarrantOrRightThresholdTriggerPriceForRedemption
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Data Type:	dtr-types:perShareItemType
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Period to provide written notice to redeem warrants, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	bleu_NoticePeriodToRedeemWarrants
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Period ending, days before the company sends the notice of redemption in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

No definition available.

Name:	bleu_NumberOfTradingDaysEndingBeforeNoticeOfRedemption
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Percentage multiplier applied to the higher of the Market Value and the Newly Issued Price.

No definition available.

Name:	bleu_PercentageMultiplier
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Period Type:	duration

Period of time required to pass after the filing of a registration statement to become effective before warrant holders may be permitted to exercise warrants, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

No definition available.

Name:	bleu_PeriodForRegistrationStatementToBecomeEffective
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Data Type:	xbrli:durationItemType
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Period Type:	duration

Warrants period prior to notice of redemption to the warrant holders after its initial Business Combination to not transferable, Assignable or sale, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	bleu_PeriodOfWarrantsNotTransferableAssignableOrSalableAfterBusinessCombination
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Period after the completion of a business combination when warrants will become exercisable, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	bleu_PeriodToExerciseWarrantsAfterBusinessCombination
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Period Type:	duration

Period following the closing of the initial Business Combination when the entity is required to file and have an effective registration statement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

No definition available.

Name:	bleu_PeriodToFileRegistrationStatementAfterInitialBusinessCombination
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Data Type:	xbrli:durationItemType
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Threshold period of specified consecutive trading days that common stock price must exceed threshold price for specified number of trading days, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	bleu_ThresholdConsecutiveTradingDays
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Threshold number of specified trading days that common stock price must exceed threshold price within a specified consecutive trading period, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	bleu_ThresholdTradingDays
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Period Type:	duration

Trading day period prior to notice of redemption to the warrant holders after its initial Business Combination to calculate the volume weighted average trading price of shares, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	bleu_TradingDaysPriorToNoticeOfRedemptionToWarrantHolders
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Data Type:	xbrli:durationItemType
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Exercise price per share or per unit of warrants or rights outstanding.

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

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Data Type:	dtr-types:perShareItemType
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Period Type:	instant

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.

No definition available.

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Number of warrants or rights outstanding.

No definition available.

Name:	us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Price of a single share of a number of saleable stocks of a company.

No definition available.

Name:	us-gaap_SharePrice
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

Name:	us-gaap_WarrantsAndRightsNoteDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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.

Reference 1: 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

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Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
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Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
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