SPAC Sponsor, Affiliate, or Promoter [Axis] ALLR Sponsor LLC [Member] Compensation Nature [Axis] Class B Ordinary Shares or Founder Shares [Member] Class B Ordinary Shares to Forfeiture [Member] Private Warrants [Member] Over Allotment Option [Member] Private Placement [Member] Over-allotment Option [Axis] Over-allotment Option Exercised [Member] Redemption Level [Axis] Redemption at 25 Percent of Maximum [Member] Redemption at 50 Percent of Maximum [Member] Redemption at 75 Percent of Maximum [Member] Redemption at 100 Percent of Maximum [Member] Over-allotment Option Not Exercised [Member] Class B Ordinary Shares [Member] Private Warrants Underwriters Over-Allotment Option [Member] Office Space Utilities and Personnel [Member] ALLR Sponsor LLC, or its Affiliates [Member] Offering Related and Organizational Expenses [Member] Working Capital Loans [Member] Warrants [Member] Underwriters Over-Allotment Option [Member] Security Class [Axis] Founder Shares [Member] Ordinary Shares [Member] No Redemption [Member] Dilution Source [Axis] Net tangible book deficit before this offering and excluding deferred offering costs [Member] Net proceeds from this offering and sale of the private warrants, net of expenses [Member] Offering costs paid in advance, excluded from tangible book value [Member] Underwriting discounts and commissions [Member] Overallotment Liability [Member] Proceeds held in trust subject to redemption [Member] Ordinary shares issued and outstanding prior to this offering [Member] Ordinary shares forfeited if over-allotment is not exercised [Member] Ordinary shares underlying the private warrants [Member] Ordinary shares underlying the public warrants [Member] Representative Shares [Member] Shares subject to redemption [Member] Additional private warrants sold to sponsor [Member] Ordinary shares included in the units offered [Member] Cover [Abstract] Amendment Flag Entity Central Index Key Document Type Entity Registrant Name Entity Incorporation, State or Country Code Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Ex Transition Period SPAC Offering Forepart, De-SPAC Consummation Timeframe De-SPAC Consummation Timeframe Extension, Security Holders Voting or Redemption Rights [Flag] SPAC Offering Forepart, De-SPAC Consummation Timeframe May be Extended [Flag] Sponsor Compensation Amount Sponsor Compensation Nature ALLR Sponsor LLC [Member] Private Warrants [Member] Private Placement [Member] Class B Ordinary Shares [Member] Class B Ordinary Shares or Founder Shares [Member] Class B Ordinary Shares to Forfeiture [Member] Gerald W. McLaughlin [Member] Jesper Hoiland [Member] Office Space Utilities and Personnel [Member] Offering Related and Organizational Expenses [Member] ALLR Sponsor LLC, or its Affiliates [Member] Working Capital Loans [Member] Net tangible book deficit before this offering and excluding deferred offering costs [Member] Net proceeds from this offering and sale of the private warrants, net of expenses [Member] Offering costs paid in advance, excluded from tangible book value [Member] Underwriting discounts and commissions [Member] Proceeds held in trust subject to redemption [Member] Ordinary shares issued and outstanding prior to this offering [Member] Ordinary shares forfeited if over-allotment is not exercised [Member] Ordinary shares included in the units offered [Member] Representative Shares [Member] Shares subject to redemption [Member] Additional private warrants sold to sponsor [Member] Ordinary shares underlying the public warrants [Member] Ordinary shares underlying the private warrants [Member] Over Allotment Option [Member] Underwriters Over-Allotment Option [Member] Private Warrants Underwriters Over-Allotment Option [Member] Ordinary Shares [Member] Securities Issued or to be Issued, Shares SPAC Sponsor, Affiliate, or Promoter SPAC Sponsor Form of Organization Net Tangible Book Value, Adjusted Number of Shares Used, Adjustment Price Paid or to be Paid for Securities, Per Share SPAC Offering Forepart, Security Holders Have the Opportunity to Redeem Securities [Flag] SPAC Offering Forepart, Security Holder Redemptions Subject to Limitations [Flag] SPAC Offering Forepart, De-SPAC Consummation Timeframe Description [Text Block] Price Paid or to be Paid for Securities, Total Amount SPAC Offering Forepart, Actual or Material Conflict of Interest [Flag] SPAC Offering Forepart, Sponsor Compensation Material Dilution [Flag] SPAC Offering Forepart, Adjusted Net Tangible Book Value Per Share [Table Text Block] Registered Offering Price per Share Net Tangible Book Value, Adjusted, per Share Difference Between the Offering Price and the Adjusted Net Tangible Book Value, Per Share SPAC Sponsor Business, General Character [Text Block] SPAC Sponsor Name SPAC Sponsor Controlling Person Name SPAC Sponsor Direct and Indirect Material Interest Holder Name SPAC Sponsor Direct and Indirect Material Interest Holder Nature SPAC Prospectus Summary, Sponsor Compensation [Table Text Block] SPAC Prospectus Summary, Sponsor Compensation, Footnotes [Text Block] SPAC, Compensation and Securities Issuance, Material Dilution, Likelihood [Text Block] SPAC, Securities Offered, Material Terms [Text Block] SPAC, Trust or Escrow Account, Material Terms [Text Block] SPAC, Trust or Escrow Account, Gross Offering Proceeds Placed, Percent SPAC, Trust or Escrow Account, Gross Offering Proceeds Placed, Amount SPAC, Securities Offered, Redemption Rights [Text Block] SPAC, Actual or Potential Material Conflict of Interest, Prospectus Summary [Text Block] SPAC, Adjusted Net Tangible Book Value Per Share with Sources of Dilution [Table Text Block] Net Tangible Book Value, Pre-transaction, Per Share Net Tangible Book Value, Increase from Public Shareholders, Per Share Net Tangible Book Value, Amount of Dilution, per Share Net Tangible Book Value Net Tangible Book Value, Proceeds from Offering Number of Shares Used, Offering SPAC Additional Financing Plans, Impact on Security Holders [Text Block] De-SPAC Consummation Timeframe, Duration De-SPAC Consummation Timeframe, How Extended [Text Block] SPAC Will Solicit Shareholder Approval for De-SPAC Transaction [Flag] De-SPAC Consummation Timeframe May be Extended [Flag] De-SPAC Consummation Timeframe, Limitations on Extensions [Text Block] De-SPAC Consummation Timeframe, Extension Failure, Consequences to Sponsor [Text Block] SPAC Sponsor, Agreement Arrangement or Understanding on the Redemption of Outstanding Securities [Text Block] SPAC Officers and Directors, Fiduciary Duties to Other Companies, Description [Text Block] Conflict of Interest, Description [Text Block] Fiduciary Duties to Other Companies, SPAC Officers and Directors [Table Text Block] SPAC Sponsor [Table Text Block] SPAC Sponsor, Description of Exceptions to Restrictions [Text Block] SPAC Sponsor, Persons and Entities Subject to Restrictions SPAC Sponsor, Description of Expiration Dates of Restrictions [Text Block] SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Table Text Block]