Sponsor, officers and directors [Member] Private Shares and any Public Shares [Member] Sponsor [Member] Class A Ordinary Share [Member] Class B Ordinary Shares [Member] Union Street Sponsor, LLC [Member] Private Placement Units [Member] Loan [Member] Union Street Management Sponsor, LLC [Member] Working Capital Loans [Member] Without Over- Allotment [Member] With Over- Allotment [Member] Net proceeds from this offering and the sale of the private placement shares [Member] Offering costs accrued for or paid in advance, excluded from tangible book value [Member] Amounts paid for redemptions [Member] Ordinary shares forfeited if over-allotment is not exercised [Member] Ordinary shares offered [Member] Sale of private placement shares [Member] Ordinary shares redeemed [Member] 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 Entity Central Index Key Amendment Flag Conflict of Interest, Party [Axis] SPAC Sponsor, Affiliate, or Promoter [Axis] Compensation Nature [Axis] Security Class [Axis] Over-allotment Option [Axis] Redemption Level [Axis] Dilution Source [Axis] SPAC Offering Forepart, Security Holders Have the Opportunity to Redeem Securities [Flag] SPAC Offering Forepart, Security Holder Redemptions Subject to Limitations [Flag] SPAC Registered Offering Prospectus Summary, Identify and Evaluate Potential Business Combination Candidates, Manner [Text Block] SPAC Offering Forepart, De-SPAC Consummation Timeframe Description [Text Block] De-SPAC Consummation Timeframe, How Extended [Text Block] SPAC Offering Forepart, De-SPAC Consummation Timeframe SPAC Will Solicit Shareholder Approval for De-SPAC Transaction [Flag] De-SPAC Consummation Timeframe, Limitations on Extensions [Text Block] De-SPAC Consummation Timeframe, Extension Failure, Consequences to Sponsor [Text Block] SPAC, Trust or Escrow Account, Material Terms [Text Block] SPAC, Trust or Escrow Account, Gross Offering Proceeds Placed, Percent SPAC Offering Forepart, De-SPAC Consummation Timeframe May be Extended [Flag] Fiduciary Duties to Other Companies, SPAC Officers and Directors [Table Text Block] SPAC, Securities Offered, Redemption Rights [Text Block] SPAC, Actual or Potential Material Conflict of Interest, Prospectus Summary [Text Block] SPAC Officers and Directors, Fiduciary Duties to Other Companies, Description [Text Block] Conflict of Interest, Description [Text Block] Securities Issued or to be Issued, Shares Securities Issued or to be Issued, Shares (in Shares) Price Paid or to be Paid for Securities, Per Share Price Paid or to be Paid for Securities, Per Share (in Dollars per share) Price Paid or to be Paid for Securities, Total Amount SPAC, Compensation and Securities Issuance, Material Dilution, Likelihood [Text Block] SPAC Sponsor Name SPAC Sponsor Form of Organization SPAC Sponsor Business, General Character [Text Block] SPAC Sponsor Direct and Indirect Material Interest Holder Nature SPAC Sponsor Direct and Indirect Material Interest Holder, Percent SPAC Prospectus Summary, Sponsor Compensation [Table Text Block] SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Table Text Block] SPAC Sponsor, Description of Expiration Dates of Restrictions [Text Block] SPAC Sponsor, Persons and Entities Subject to Restrictions SPAC Sponsor, Description of Exceptions to Restrictions [Text Block] SPAC Sponsor, Terms That Would Result in Earlier Expiration of Restrictions [Text Block] De-SPAC, Material Potential Source of Future Dilution, Description [Text Block] Registered Offering Price per Share (in Dollars per share) Net Tangible Book Value, Adjusted, per Share (in Dollars per share) Difference Between the Offering Price and the Adjusted Net Tangible Book Value, Per Share (in Dollars per share) SPAC, Adjusted Net Tangible Book Value Per Share with Sources of Dilution [Table Text Block] Net Tangible Book Value, Pre-transaction, Per Share (in Dollars per share) Net Tangible Book Value, Increase from Public Shareholders, Per Share (in Dollars per share) Net Tangible Book Value, Amount of Dilution, per Share (in Dollars per share) Net Tangible Book Value Net Tangible Book Value, Proceeds from Offering Net Tangible Book Value, Adjusted Number of Shares Used to Determine Net Tangible Book Value per Share, Pre-transaction (in Shares) Number of Shares Used, Adjustment (in Shares) Number of Shares Used to Determine Net Tangible Book Value per Share, Adjusted (in Shares) SPAC Offering Forepart, Adjusted Net Tangible Book Value Per Share [Table Text Block] SPAC Officers and Directors [Member] SPAC Sponsor and its Affiliates [Member] Founder Shares [Member] Warrants [Member] Over-allotment Option Exercised [Member] 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] No Redemption [Member] Deferred Underwriting Commissions [Member] Over-allotment liability [Member] Fiduciary Duties to Other Companies, SPAC Officers and Directors [Table] Fiduciary Duties to Other Companies, SPAC Officers and Directors [Line Items] All Conflict of Interest Parties [Member] SPAC Sponsor, Conflicts of Interest [Table] SPAC Sponsor, Conflict of Interest [Line Items] All SPAC Sponsors, Affiliates, or Promoters [Member] All Compensation Natures [Member] SPAC Offering Forepart, Sponsor Compensation [Table] SPAC Offering Forepart, Sponsor Compensation [Line Items] SPAC Sponsor [Table] SPAC Sponsor, Compensation [Line Items] SPAC Sponsor Direct and Indirect Material Interest Holders [Table] SPAC Sponsor Direct and Indirect Material Interest Holder [Line Items] SPAC Prospectus Summary, Sponsor Compensation [Table] SPAC Prospectus Summary, Sponsor Compensation [Line Items] All Security Classes [Member] SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Table] SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Line Items] All Over-allotment Options [Member] All Redemption Levels [Member] SPAC Offering Forepart, Adjusted Net Tangible Book Value Per Share [Table] SPAC Forepart, Adjusted Net Tangible Book Value Per Share [Line Items] All Dilution Sources [Member] SPAC, Adjusted Net Tangible Book Value Per Share with Sources of Dilution [Table] Net Tangible Book Value [Line Items] Registered Offering Price per Share Entity Small Business SPAC Sponsor, Terms That Would Result in Earlier Expiration of Restrictions [Text Block] Sponsor Officers And Directors Member Ordinary Shares Redeemed Member SPAC Officers and Directors [Member] Without Over Allotment Member SPAC Prospectus Summary, Sponsor Compensation [Table Text Block] Warrants [Member] With Over Allotment Member Securities Issued or to be Issued, Shares SPAC Sponsor, Persons and Entities Subject to Restrictions Founder Shares [Member] SPAC, Trust or Escrow Account, Material Terms [Text Block] De-SPAC Consummation Timeframe, Limitations on Extensions [Text Block] SPAC Sponsor Business, General Character [Text Block] SPAC Sponsor [Abstract] Private Placement Units Member Union Street Management Sponsor LLCMember Net Tangible Book Value, Amount of Dilution, per Share SPAC Officers and Directors, Fiduciary Duties to Other Companies, Description [Text Block] SPAC, Trust or Escrow Account, Gross Offering Proceeds Placed, Percent Redemption at 25 Percent of Maximum [Member] No Redemption [Member] SPAC Will Solicit Shareholder Approval for De-SPAC Transaction [Flag] SPAC Offering Forepart, Sponsor Compensation [Abstract] SPAC Offering Forepart, De-SPAC Consummation Timeframe Sale Of Private Placement Shares Member SPAC, Adjusted Net Tangible Book Value Per Share with Sources of Dilution [Abstract] Entity Ex Transition Period SPAC Sponsor Direct and Indirect Material Interest Holder Nature Price Paid or to be Paid for Securities, Per Share Net Tangible Book Value, Adjusted Over-allotment Option Exercised [Member] Over-allotment Option Not Exercised [Member] Deferred Underwriting Commissions [Member] Net Tangible Book Value, Increase from Public Shareholders, Per Share Number of Shares Used to Determine Net Tangible Book Value per Share, Adjusted SPAC, Adjusted Net Tangible Book Value Per Share with Sources of Dilution [Table Text Block] SPAC Sponsor and its Affiliates [Member] SPAC Sponsor Form of Organization Entity Emerging Growth Company Number of Shares Used, Adjustment Redemption at 100 Percent of Maximum [Member] Sponsor Member SPAC Offering Forepart, De-SPAC Consummation Timeframe Description [Text Block] SPAC Offering Forepart, Adjusted Net Tangible Book Value Per Share [Table Text Block] SPAC, Securities Offered, Redemption Rights [Text Block] Number of Shares Used to Determine Net Tangible Book Value per Share, Pre-transaction SPAC, Compensation and Securities Issuance, Material Dilution, Likelihood [Text Block] SPAC Sponsor Direct and Indirect Material Interest Holder, Percent Difference Between the Offering Price and the Adjusted Net Tangible Book Value, Per Share Ordinary Shares Offered Member Net Tangible Book Value, Adjusted, per Share SPAC Offering Forepart, Security Holder Redemptions Subject to Limitations [Flag] Net Tangible Book Value Net Tangible Book Value, Pre-transaction, Per Share SPAC Sponsor, Description of Expiration Dates of Restrictions [Text Block] De-SPAC, Material Potential Source of Future Dilution, Description [Text Block] SPAC Offering Forepart, De-SPAC Consummation Timeframe May be Extended [Flag] Class BOrdinary Shares Member Ordinary Shares Forfeited If Overallotment Is Not Exercised Member SPAC Offering Forepart [Line Items] Entity Incorporation, State or Country Code Conflict of Interest, Description [Text Block] Union Street Sponsor LLCMember Document Type Fiduciary Duties to Other Companies, SPAC Officers and Directors [Table Text Block] Price Paid or to be Paid for Securities, Total Amount Amendment Flag SPAC Offering Forepart, Security Holders Have the Opportunity to Redeem Securities [Flag] Redemption at 75 Percent of Maximum [Member] Net Proceeds From This Offering And The Sale Of The Private Placement Shares Member Class AOrdinary Share Member Overallotment Liability [Member] Redemption at 50 Percent of Maximum [Member] SPAC Registered Offering Prospectus Summary, Identify and Evaluate Potential Business Combination Candidates, Manner [Text Block] SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Abstract] Entity Central Index Key Private Shares And Any Public Shares Member Entity Filer Category Offering Costs Accrued For Or Paid In Advance Excluded From Tangible Book Value Member SPAC Prospectus Summary, Sponsor Compensation [Abstract] De-SPAC Consummation Timeframe, How Extended [Text Block] Loan Member Amounts Paid For Redemptions Member De-SPAC Consummation Timeframe, Extension Failure, Consequences to Sponsor [Text Block] Net Tangible Book Value, Proceeds from Offering SPAC, Actual or Potential Material Conflict of Interest, Prospectus Summary [Text Block] SPAC Sponsor and Affiliates Information, Restrictions on Sale of SPAC Securities [Table Text Block] Entity Registrant Name Working Capital Loans Member SPAC Sponsor, Description of Exceptions to Restrictions [Text Block] SPAC Sponsor Name