| Label | Element | Value |
|---|---|---|
| Sale of private placement warrants to Sponsor in private placement | us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued | $ 11,100,000 |
| Sale of units in initial public offering, net of offering costs | bbcp_StockIssuedDuringPeriodValueIssuesInInitialPublicOffering | 216,715,490 |
| Common stock subject to possible redemption | us-gaap_StockRedeemedOrCalledDuringPeriodValue | (222,522,823) |
| Retained Earnings [Member] | ||
| Net income (loss) | us-gaap_NetIncomeLoss | (317,666) |
| Additional Paid-in Capital [Member] | ||
| Issuance of Class A common stock | us-gaap_StockIssuedDuringPeriodValueNewIssues | 24,425 |
| Sale of private placement warrants to Sponsor in private placement | us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued | 11,100,000 |
| Sale of units in initial public offering, net of offering costs | bbcp_StockIssuedDuringPeriodValueIssuesInInitialPublicOffering | 216,713,190 |
| Common stock subject to possible redemption | us-gaap_StockRedeemedOrCalledDuringPeriodValue | $ (222,520,641) |
| Common Class B [Member] | Common Stock [Member] | ||
| Issuance of Class B common stock to Sponsor (in shares) | us-gaap_StockIssuedDuringPeriodSharesNewIssues | 5,750,000 |
| Issuance of Class A common stock | us-gaap_StockIssuedDuringPeriodValueNewIssues | $ 575 |
| us-gaap_SharesOutstanding | us-gaap_SharesOutstanding | 5,750,000 |
| Common Class A [Member] | Common Stock [Member] | ||
| Issuance of Class B common stock to Sponsor (in shares) | us-gaap_StockIssuedDuringPeriodSharesNewIssues | 21,815,963 |
| Sale of units in initial public offering, net of offering costs (in shares) | bbcp_StockIssuedDuringPeriodSharesIssuesInInitialPublicOffering | 23,000,000 |
| us-gaap_SharesOutstanding | us-gaap_SharesOutstanding | 1,184,037 |
| Sale of units in initial public offering, net of offering costs | bbcp_StockIssuedDuringPeriodValueIssuesInInitialPublicOffering | $ 2,300 |
| Common stock subject to possible redemption | us-gaap_StockRedeemedOrCalledDuringPeriodValue | $ (2,182) |
| X | ||||||||||
- Definition Number of stock issued in initial public offering during the period. No definition available.
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| X | ||||||||||
- Definition Value of stock issued in initial public offering during the period. No definition available.
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| X | ||||||||||
- Definition Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of shares issued which are neither cancelled nor held in the treasury. No definition available.
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- Definition Number of new stock issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Equity impact of the value of stock bought back by the entity at the exercise price or redemption price. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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