S-K 1602(b)(6) Prospectus Summary, Sponsor Compensation - Lafayette Digital Sponsor I, LLC [Member]	Sep. 23, 2025 USD ($) $ / shares shares
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount	$ 10,000
Class B Ordinary Shares [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount	$ 25,000
Securities Issued or to be Issued, Shares (in Shares) | shares	9,583,333
Private Units [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount	$ 1,500,000
Securities Issued or to be Issued, Shares (in Shares) | shares	435,000
Price Paid or to be Paid for Securities, Per Share (in Dollars per share) | $ / shares	$ 10
Underwriter’s Over-Allotment Option [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount	$ 4,350,000
Loans [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount	$ 300,000