v3.25.2
S-K 1602(a)(3) Forepart, Sponsor Compensation - Crown Reserve Acquisition Corp. I [Member]
Sep. 23, 2025
USD ($)
$ / shares
shares
Private Placement Units [Member]  
SPAC Offering Forepart, Sponsor Compensation [Line Items]  
Securities Issued or to be Issued, Shares (in Shares) | shares 346,875
Price Paid or to be Paid for Securities, Per Share | $ / shares $ 8
Price Paid or to be Paid for Securities, Total Amount (in Dollars) | $ $ 2,775,000
Private Placement Units if the Underwriters’ Over-Allotment Option is Exercised in Full [Member]  
SPAC Offering Forepart, Sponsor Compensation [Line Items]  
Securities Issued or to be Issued, Shares (in Shares) | shares 375,000
Price Paid or to be Paid for Securities, Total Amount (in Dollars) | $ $ 3,000,000