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Number Of Warrants Issued Per Unit Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Remaining weighted-average expected recognition period Series A Preferred Stock [Member] Series A Preferred Stock [Member] Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Maximum number of shares issuable Business Combination, Contingent Consideration, Type [Axis] Amendment Flag Share-Based Payment Arrangement [Text Block] Stock-Based Compensation Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Debt Instrument [Axis] Cash on hand Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Accured Service Fees Accured service fees. Service fees accrued Schedule Of Total Loans Received Table Text Block Schedule of total loans received table text block. Schedule of Total Loans Received City Area Code Interest Expense, Nonoperating Interest Expense, Nonoperating, Total Interest expense Preferred Stock [Member] Preferred Stock Fair Value, Assets Measured on Recurring Basis [Table Text Block] Schedule of Assets Measured at Fair Value on Recurring Basis Transition Services Agreement [Member] Transition Services Agreement [Member] Transition services agreement member. Organization and Business Operation [Abstract] Comprehensive Income, Policy [Policy Text Block] Comprehensive Loss Agreed to purchase (in Shares) Stock Issued During Period, Shares, Purchase of Assets Debt Instrument, Increase, Accrued Interest Outstanding accrued interest Operating Expenses [Abstract] Computer Equipment [Member] Computers and Equipment [Member] Asset Acquisition Contingent Consideration Arrangements Asset acquisition contingent consideration arrangements. Asset acquisition, contingent consideration arrangements Legacy Semnur Stock Options [Member] Legacy Semnur stock options. Common stock, par value per share (in Dollars per share) Common Stock, Par or Stated Value Per Share Common stock, per value (in Dollars per share) Common stock, par value (in Dollars per share) Legal Entity [Axis] Founder Shares [Member] Founder Shares [Member] Founder Shares1 [Member] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted-Average Remaining Contractual Term Exercise price, weighted average term Debt Conversion, Converted Instrument, Rate Issuance of capital rate Common stock shares distributed to participating holders Common Stock Shares Distributed to Participating Holders Common stock shares distributed to participating holders. Total current liabilities Liabilities, Current Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Property, Plant and Equipment, Gross, Ending Balance Property, Plant and Equipment, Gross, Beginning Balance Property, Plant and Equipment, Gross, Total Property and equipment, gross Business Combination, Contingent Consideration, Type [Domain] SEGMENT INFORMATION Segment Reporting [Text Block] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Trading Symbol Shares of common stock (in Shares) Common Stock, Shares Subscribed but Unissued Non Rule 10b51 Arr Modified Flag Non rule 10b51 arr modified flag Impairment of long-lived assets Impairment of Long-Lived Assets to be Disposed of Schedule of Property and Equipment, Net Consists Property, Plant, and Equipment [Table Text Block] Deferred underwriting compensation Represents the amount of deferred underwriting compensation. Deferred Underwriting Compensation Subsequent Event [Table] Entity Emerging Growth Company Additional Paid-in Capital [Member] Additional Paid-in Capital Debt Exchange Agreement [Member] Debt exchange agreement member. Debt Exchange Agreement [Member] Dividends [Axis] Long-Term Debt, Gross Existing Balance Plan Name [Domain] Class A Ordinary Shares Class A Class A Ordinary Shares [Member] Common Class A [Member] Prepaid Insurance Prepaid insurance Revision of Prior Period [Axis] Cover [Abstract] Long-Term Debt, Type [Domain] Professional services fee in connection with Business Combination Professional Fees Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Useful life Property, Plant, and Equipment, Useful Life Federal depository insurance coverage (in Dollars) Cash, FDIC Insured Amount Summary of Significant Accounting Policies [Line Items] Summary of significant accounting policies. Share-Based Payment Arrangement, Noncash Expense Share-Based Payment Arrangement, Noncash Expense, Total Stock-based compensation Additional Paid in Capital Additional Paid in Capital, Total Additional paid-in capital Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Fair Value Measurements [Abstract] Cash and Cash Equivalent Cash and Cash Equivalent, Total Cash and cash equivalents Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash provided by financing activities Business Combination, Recognized Liability Assumed, Accounts Payable, Current Business combination, accouts payable Sponsor Note [Member] Sponsor Note. Entity Filer Category Debt Instrument, Name [Domain] Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Property and equipment, net Property and equipment, net Deferred Policy Acquisition Costs, Policy [Policy Text Block] Deferred Offering Costs PIPE Securities Purchase Agreement [Member] PIPE Securities Purchase Agreement. Securities Purchase Agreement (PIPE SPA) PIPE SPA [Member] Balance (in Shares) Balance (in Shares) Shares, Outstanding Senior Secured Promissory Note [Member] Senior secured promissory note. Document Information [Line Items] Segment Information [Abstract] Other Assets, Current Other current assets Entity Address, Postal Zip Code Statement of Financial Position [Abstract] Local Phone Number