v3.26.1
S-K 1602(b)(6) Prospectus Summary, Sponsor Compensation - USD ($)
Sep. 10, 2026
May 21, 2026
ALLR Sponsor LLC [Member] | Class B Ordinary Shares or Founder Shares [Member]    
Spac Prospectus Summary Sponsor Compensation Line Items    
Securities Issued or to be Issued, Shares   3,833,333
Price Paid or to be Paid for Securities, Total Amount   $ 25,000
Price Paid or to be Paid for Securities, Per Share   $ 0.0065
ALLR Sponsor LLC [Member] | Class B Ordinary Shares to Forfeiture [Member]    
Spac Prospectus Summary Sponsor Compensation Line Items    
Securities Issued or to be Issued, Shares   500,000
ALLR Sponsor LLC [Member] | Private Warrants [Member]    
Spac Prospectus Summary Sponsor Compensation Line Items    
Securities Issued or to be Issued, Shares 1,850,000  
Price Paid or to be Paid for Securities, Total Amount $ 1,850,000  
Price Paid or to be Paid for Securities, Per Share $ 1.00  
ALLR Sponsor LLC [Member] | Over Allotment Option [Member]    
Spac Prospectus Summary Sponsor Compensation Line Items    
Securities Issued or to be Issued, Shares 1,925,000  
Price Paid or to be Paid for Securities, Total Amount $ 1,925,000  
ALLR Sponsor LLC [Member] | Private Placement [Member]    
Spac Prospectus Summary Sponsor Compensation Line Items    
Price Paid or to be Paid for Securities, Total Amount $ 1,850,000  
ALLR Sponsor LLC [Member] | Class B Ordinary Shares [Member]    
Spac Prospectus Summary Sponsor Compensation Line Items    
Securities Issued or to be Issued, Shares 3,333,333  
Price Paid or to be Paid for Securities, Total Amount $ 25,000  
ALLR Sponsor LLC [Member] | Private Warrants Underwriters Over-Allotment Option [Member]    
Spac Prospectus Summary Sponsor Compensation Line Items    
Securities Issued or to be Issued, Shares 1,925,000  
Price Paid or to be Paid for Securities, Total Amount $ 1,925,000  
ALLR Sponsor LLC [Member] | Office Space Utilities and Personnel [Member]    
Spac Prospectus Summary Sponsor Compensation Line Items    
Sponsor Compensation Nature Office space, utilities and personnel  
Sponsor Compensation Amount $ 20,000  
ALLR Sponsor LLC [Member] | Underwriters Over-Allotment Option [Member]    
Spac Prospectus Summary Sponsor Compensation Line Items    
Securities Issued or to be Issued, Shares 3,833,333  
ALLR Sponsor LLC, or its Affiliates [Member] | Warrants [Member]    
Spac Prospectus Summary Sponsor Compensation Line Items    
Price Paid or to be Paid for Securities, Per Share $ 1.00  
ALLR Sponsor LLC, or its Affiliates [Member] | Offering Related and Organizational Expenses [Member]    
Spac Prospectus Summary Sponsor Compensation Line Items    
Sponsor Compensation Nature Repayment of loans anticipated to be made to us by our sponsor to cover offering-related and organizational expenses  
Sponsor Compensation Amount $ 300,000  
ALLR Sponsor LLC, or its Affiliates [Member] | Working Capital Loans [Member]    
Spac Prospectus Summary Sponsor Compensation Line Items    
Sponsor Compensation Nature Working capital loans to finance transaction costs in connection with an initial business combination  
Sponsor Compensation Amount $ 1,500,000