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S-K 1602(b)(6) Prospectus Summary, Sponsor Compensation | Sep. 05, 2025 USD ($) $ / shares shares
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Over-allotment Option [Member] |
SPAC Prospectus Summary, Sponsor Compensation [Line Items] |
Securities Issued or to be Issued, Shares | shares | 937,500
Private Placement Shares [Member] |
SPAC Prospectus Summary, Sponsor Compensation [Line Items] |
Securities Issued or to be Issued, Shares | shares | 2,250,000
Price Paid or to be Paid for Securities, Total Amount | $ | $ 4,500,000
FutureCrest Acquisition Sponsor LLC [Member] |
SPAC Prospectus Summary, Sponsor Compensation [Line Items] |
Price Paid or to be Paid for Securities, Total Amount | $ | 300,000
Working Capital Loan [Member] |
SPAC Prospectus Summary, Sponsor Compensation [Line Items] |
Price Paid or to be Paid for Securities, Total Amount | $ | $ 1,500,000
Price Paid or to be Paid for Securities, Per Share | $ / shares | $ 2
Class B ordinary shares |
SPAC Prospectus Summary, Sponsor Compensation [Line Items] |
Securities Issued or to be Issued, Shares | shares | 7,187,500
Price Paid or to be Paid for Securities, Total Amount | $ | $ 25,000
Founder Shares [Member] |
SPAC Prospectus Summary, Sponsor Compensation [Line Items] |
Securities Issued or to be Issued, Shares | shares | 125,000
Price Paid or to be Paid for Securities, Per Share | $ / shares | $ 0.0035

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