Current assets Assets, Current [Abstract] Cash and marketable securities held in Trust Account Assets held in the trust account Asset, Held-in-Trust, Noncurrent Preference shares, $0.0001 par value; 1,000,000 shares authorized; none issued or outstanding Preferred Stock, Value, Issued Prepaid expenses Other Prepaid Expense, Current Current liabilities Liabilities, Current [Abstract] Total Current Liabilities Liabilities, Current, Total Liabilities, Class A Ordinary Shares Subject to Possible Redemption, and Shareholders’ Deficit Liabilities and Equity [Abstract] Total Liabilities, Class A Ordinary Shares Subject to Possible Redemption, and Shareholders’ Deficit Liabilities and Equity, Total Total Liabilities Liabilities, Total Ordinary shares Common Stock, Value, Issued Class B Ordinary Shares Class B Ordinary Shares [Member] Class B [Member] Class B Common Class B [Member] Class A Ordinary Shares Class A Class A [Member] Class A Ordinary Shares [Member] Class A Ordinary Shares [Member] Common Class A [Member] Commitments and Contingencies (Note 6) Commitments and Contingencies Class of Stock [Domain] Cash Cash Statement [Line Items] Class of Stock [Axis] Accumulated deficit Retained Earnings (Accumulated Deficit), Total Prepaid insurance Prepaid Insurance Long-term prepaid insurance Prepaid Expense, Noncurrent, Total Segment Reporting Information [Line Items] Number of Reportable Segments Schedule of Segment Reporting Information, by Segment [Table] Segment Information [Abstract] Segment Information [Abstract] Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Segment description CODM description Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Schedule of Performance and Making Key Decisions Regarding Resource Allocation, the CODMs Review Schedule of Segment Reporting Information, by Segment [Table Text Block] Segment Information Segment Reporting Disclosure [Text Block] Number of units issued Units Issued During Period Shares New Issues Units Issued During Period Shares New Issues Sponsor [Member] Sponsor [Member] Private Placement (Details) [Table] Private Placement [Abstract] Numbers of warrants Numbers of Warrants Numbers of warrants. Cohen [Member] Private Placement [Line Items] Subsidiary, Sale of Stock [Line Items] Sale of Stock [Axis] Purchase price per unit Sale of Stock, Price Per Share Sale of Stock [Domain] Cash underwriting fee Cash under writing fee Cash under writing fee Deferred underwriting fee Deferred Underwriting Fee Amount of deferred underwriting fees. Interest to pay dissolution expenses Dissolution Expenses The amount of dissolution expenses. Other offering costs Other Offering Costs Other offering costs Percentage of aggregate fair market value Represents the percentage of aggregate fair market value. Private Placement Warrants [Member] Private Placement Warrants [Member] Percentage of redemption of public share Redemption of Public Share Represents the percent of Redemption of Public Share. Transaction costs Transaction Costs Transaction costs Underwriters [Member] Working capital Working capital Year of inception Year of Inception The term of year of inception. Ordinary shares, par value Par value per share Common Stock, Par or Stated Value Per Share Ordinary shares, shares authorized Common Stock, Shares Authorized Ordinary shares, shares issued Common Stock, Shares, Issued Ordinary shares, shares outstanding Common Stock, Shares, Outstanding Commitments and Contingencies [Abstract] Price per warrant Public warrants per shares Class of Warrant or Right, Exercise Price of Warrants or Rights Class of Stock Disclosures [Abstract] Private Placement [Abstract] Over-Allotment Option [Member] Over-Allotment Option [Member] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Statement of Financial Position [Abstract] Statement [Table] Ordinary shares subject to possible redemption , par value Temporary Equity, Par or Stated Value Per Share Preference shares, shares issued Preferred Stock, Shares Issued Preference shares, shares outstanding Preferred Stock, Shares Outstanding Operating and formation costs Operating Costs and Expenses Ordinary shares subject to possible redemption Temporary Equity, Shares Issued Ordinary shares subject to possible redemption per shares Temporary Equity, Redemption Price Per Share Number of shares Number of Shares Number of shares. Purchased shares Class of Warrant or Right, Number of Securities Called by Warrants or Rights Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Preference shares, shares authorized Preferred Stock, Shares Authorized General and administrative costs General and Administrative Expense, Total Discount Rate [Member] Measurement Input, Discount Rate [Member] Volatility [Member] Volatility [Member] Measurement Input, Price Volatility [Member] Class A Share Price [Member] Underlying stock price [Member] Measurement Input, Share Price [Member] Measurement Input Type [Axis] Measurement Input Type [Domain] Implied share price Share Price Warrants purchase Warrants exercisable shares Class of Warrant or Right, Outstanding Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Cash underwriting discount Cash Underwriting Discount The amount of Cash underwriting discount. Deferred underwriting discount Deferred underwriting discount Percentage of deferred underwriting discount. Deferred underwriting fee payable Deferred underwriting fee payable Offering expenses Amount of offering expenses. Percentage of cash underwriting discount Percentage of cash underwriting discount The percentage of cash under writing discount. Over allotment period Underwriters Option Period From Date Of Initial Public Offering The number of days granted the underwriters option period from date of initial public offering. Underwriting Agreement [Member] Underwriting Agreement [Member] Related Party Transactions [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block] Director [Member] Director [Member] Accrued amount Administrative Fees Expense Share-based compensation Share-Based Payment Arrangement, Expense Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Business Combination [Domain] Public Warrant [Member] Subsequent Event [Table] Subsequent Event Type [Axis] Number of Business Days The term of number of business days. KingsRock Viking Acquisition LLC [Member] Business Combination [Member] Shareholders’ Deficit [Abstract] Shareholders’ Deficit [Abstract] Provided indirect interest amount General Partners' Capital Account Borrowed amount Other Borrowings Cover expenses Other Expenses Administrative fees Payment for Administrative Fees Private Placement [Member] Private Placement [Member] Issuance of common stock for exchange Proceeds from Issuance of Common Stock Founders Shares [Member] IPO [Member] Loss Contingencies [Table] Commitments and Contingencies [Line Items] Other Commitments [Line Items] Warrants and rights outstanding, measurement input Warrants and Rights Outstanding, Measurement Input Warrant term (years) [Member] Measurement Input Warrant term (Years) [Member] Denominator: Weighted Average Number of Shares Outstanding, Basic [Abstract] Basic net loss per ordinary share Basic net loss per ordinary share [Abstract] Diluted net loss per ordinary share Diluted net loss per ordinary share [Abstract] Address Type [Domain] Amendment Flag Business Contact Business Contact [Member] Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value Hierarchy and NAV [Axis] Measurement Frequency [Axis] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Measurement Frequency [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value, Recurring [Member] Fair Value Measurements [Abstract] Fair Value Measurements Fair Value Disclosures [Text Block] Schedule of Level 3 Valuation of the Public Warrants Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Redemption at 50 Percent of Maximum [Member] Redemption at 75 Percent of Maximum [Member] Net Tangible Book Value [Member] Transaction costs [Member] Settlement of Deferred Underwriting Fee [Member] Funds Released from Trust [Member] Public Shares outstanding [Member] Founder Shares outstanding [Member] Founder Shares [Member] Private Placement Shares [Member] Schedule of Level 3 valuation of the Public Warrants [Abstract] De-SPAC Transactions, Material Terms [Line Items] De-SPAC, Adjusted Net Tangible Book Value Per Share with Sources of Dilution [Table] Basic net income per share Basic net income per ordinary share Earnings Per Share, Basic, Total Diluted net income per share Diluted net income per Ordinary Share Earnings Per Share, Diluted, Total Income Statement [Abstract] Interest income on marketable securities held in Trust Account Interest earned on marketable securities held in Trust Account Interest income earned on marketable securities held in Trust Account Investment Income, Interest Unrealized gain on marketable securities held in Trust Account Unrealized gain on marketable securities held in Trust Account Marketable Security, Unrealized Gain (Loss) Net income Net income Net income Net Income (Loss) Attributable to Parent, Total Other income: Nonoperating Income (Expense) [Abstract] Loss from operations Operating Income (Loss), Total Equity Components [Axis] Statement of Stockholders' Equity [Abstract] Total other income Other Nonoperating Income (Expense), Total Numerator: Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent [Abstract] Allocation of net income, Basic Net Income (Loss) Available to Common Stockholders, Basic, Total Allocated value of transaction costs to Private Placement Units and Public Warrants Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Balance Balance Total Shareholders’ Deficit Equity, Attributable to Parent, Total Redemption at 100 Percent of Maximum [Member] All Dilution Sources [Member] Redemption at 25 Percent of Maximum [Member] Issuance of Class B ordinary shares to Sponsor (shares) Number newly issued , shares Stock Issued During Period, Shares, New Issues Sale of Private Placement Units (shares) Stock Issued During Period, Shares, Other Issuance of Class B ordinary shares to Sponsor Number newly issued , value Stock Issued During Period, Value, New Issues Sale of Private Placement Units Stock Issued During Period, Value, Other Accretion for Class A ordinary shares to redemption amount Temporary Equity, Accretion to Redemption Value Adjustments to reconcile net income to net cash used in operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash – End of period Cash – Beginning of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation, Ending Balance De-SPAC Transactions, Background, Terms, Effects Disclosure [Line Items] Schedule of Assets and Liabilities that are Measured at Fair Value on a Recurring Basis Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Fair Value Measurements [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, by Balance Sheet Grouping [Table] Public warrants issued Proceeds from Issuance of Warrants Valuation Approach and Technique [Axis] Allocation of net income, Diluted Net Income (Loss) Available to Common Stockholders, Diluted, Total Summary of Significant Accounting Policies - Schedule of Basic and Diluted Net (Loss) Income Per Ordinary Share (Details) [Table] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Diluted weighted average ordinary shares outstanding Weighted average shares outstanding , diluted Weighted Average Number of Shares Outstanding, Diluted Weighted average shares outstanding , basic Basic weighted average ordinary shares outstanding Weighted Average Number of Shares Outstanding, Basic Summary of Significant Accounting Policies [Abstract] Summary of Significant Accounting Policies [Abstract] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Description of Organization and Business Operations [Abstract] Description of Organization and Business Operations [Abstract] Description of Organization and Business Operations Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Additional Paid-in Capital Additional Paid-in Capital [Member] Fair Value of Public Warrants at issuance Adjustments to Additional Paid in Capital, Fair Value Proceeds allocated to Public Warrants Proceeds allocated to public warrants Public Shares issuance costs Public share issuance cost Public share issuance cost. De-SPAC, Net Tangible Book Value, Increase from Public Shareholders, per Share De-SPAC, Net Tangible Book Value [Line Items] De-SPAC, Net Tangible Book Value De-SPAC, Net Tangible Book Value, Adjusted Valuation Approach and Technique [Domain] Monte Carlo Simulation Model [Member] Public Warrants [Member] Schedule of Calculation of Basic and Diluted Net Income Per Ordinary Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Class A Ordinary Shares Subject to Possible Redemption Temporary Equity [Table Text Block] Schedule Of Basic And Diluted Net Loss Income Per Ordinary Share [Abstract] Earnings Per Share [Abstract] All Redemption Levels [Member] No Redemption [Member] Expected term to De-SPAC (years) [Member] Measurement Input, Expected Term [Member] Risk-free rate [Member] Measurement Input, Risk Free Interest Rate [Member] Offering costs included in accrued offering costs Offering costs included in accrued offering costs Formation costs paid through promissory note - related party Payment of formation costs through promissory note related party Payment of formation costs through promissory note – related party. Payment of general and administrative costs through advances from related party Payment of general and administrative costs through promissory note related party Payment of general and administrative costs through promissory note – related party. Underwriters’ reimbursement Proceeds From Underwriters Reimbursement The cash inflow of Underwriters’ reimbursement. Held in cash Asset, Held-in-Trust, Total Federal deposit insurance corporation coverage limit amount Cash, FDIC Insured Amount Summary of Significant Accounting Policies [Line Items] Change in Accounting Estimate [Line Items] Marketable securities Marketable Securities Recent Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Share-Based Payment Arrangements Share-Based Payment Arrangement [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Emerging Growth Company Emerging Growth Company [Policy Text Block] Disclosure of accounting policies for emerging growth company. Offering Costs Offering Costs [Policy Text Block] Offering Costs. Warrant Instruments Warrant Instruments [Policy Text Block] Disclosure of accounting policy for warrant instruments. Unrecognized tax benefits Unrecognized Tax Benefits, Beginning Balance Amounts accrued for interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Summary of Significant Accounting Policies [Table] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Condensed Statement of Cash Flows [Abstract] Deferred offering costs paid through promissory note - related party Stock Issued Long-term prepaid insurance Increase Decrease in Long term Prepaid Insurance Increase Decrease in Long term Prepaid Insurance Proceeds from sale of Private Placement Units Generating gross proceeds Proceeds from Issuance of Private Placement Proceeds from sale of Units, net of underwriting discounts paid Proceeds from Other Equity Repayment of promissory note - related party Repayments of Related Party Debt Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense, Total Noncash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Private Placement Private Placement [Text Block] The entire disclosure of private placement. Accrued expenses Accrued Liabilities, Current, Total Additional paid-in capital Additional Paid in Capital, Total Total Assets Assets, Total Assets: Assets [Abstract] Total current assets Assets, Current, Total Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Domain] Underwriters purchased units Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Deferred underwriting fee Deferred Underwriting Fee NonCurrent The amount of deferred underwriting fee. Accrued offering costs Accrued Offering Costs Current Represent the amount of accrued offering costs. Class A ordinary shares subject to possible redemption, $0.0001 par value; 23,000,000 shares at redemption value of $10.15 and $10.06 per share as of March 31, 2026 and December 31, 2025, respectively Class A ordinary shares subject to possible redemption Temporary Equity, Carrying Amount, Attributable to Parent Shareholders’ Deficit Equity, Attributable to Parent [Abstract] Date of incorporation Entity Incorporation, Date of Incorporation Description of Organization and Business Operations [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Gross proceeds Gross proceeds Proceeds from Issuance Initial Public Offering Percentage of public shares Public Utilities, Requested Rate Increase (Decrease), Percentage Amount of amount of net proceeds of sale of units Sale of Stock, Consideration Received on Transaction Description of Organization and Business Operations [Table] Business Combination [Table] Price per unit Fair value of founder shares price per share Shares Issued, Price Per Share Initial Public Offering [Table] Number of units sold NumberOfUnitsSold Represent the number of units sold. Preference shares, par value Preferred Stock, Par or Stated Value Per Share Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract] Initial Public Offering Initial Public Offering [Text Block] Initial Public Offering Initial Public Offering [Line Items] Shareholders’ Deficit [Line Items] Class of Stock [Line Items] Net of underwriters’ reimbursement Net underwriting fee Net underwriting fee Working capital loans Working Capital Loans The amount of working capital loans. Number of additional shares purchased Number of additional shares purchased. Percentage of holding shares after initial public offering Percentage of Holding Shares After Initial Public Offering Percentage of holding of shares after initial public offering. Subsequent Events Subsequent Events [Text Block] Subsequent Event Type [Domain] Warrant [Member] Warrant [Member] Commencing after the completion days Commencing After The Completion Of Initial Business Combination Days Commencing after the completion of initial business combination. Working capital loans Debt Conversion, Converted Instrument, Amount Debt Instrument [Axis] Debt Instrument, Name [Domain] Subsequent Events [Abstract] Viking Shares [Member] Related Party Transaction [Domain] Related Party Transactions [Line Items] Related Party Transaction [Line Items] Indirect interest in founder shares Sale of Stock, Number of Shares Issued in Transaction Related Party Transaction [Table] Related Party Transaction [Axis] Outstanding borrowings Proceeds from Related Party Debt Percentage of Market Adjustment The percentage of market adjustment. Administrative Support Agreement [Member] Administrative Support Agreements [Member] Promissory Note [Member] Shareholders’ Deficit Equity [Text Block] Purchased value provided indirect interest amount Stock Issued During Period, Value, Purchase of Assets Warrant term Warrants and Rights Outstanding, Term Price per share Class Of Warrant Or Right Redemption Price Of Warrants Or Rights Redemption price per share or per unit of warrants or rights outstanding. Business Combination [Axis] Business combination entity price Business Combination, Price Per Share Valuation adjustment assumed Business Combination, Contingent Consideration, Liability, Measurement Input Fair value of founder shares purchased Stock Issued During Period, Shares, Purchase of Assets Founder shares not subject to forfeiture Shares subject to forfeiture Shares Issued, Shares, Share-Based Payment Arrangement, Forfeited Public Shares [Member] Subsequent Event [Member] Subsequent Event [Line Items] Schedule Of Level3 Valuation Of The Public Warrants [Table] De-SPAC, Number of Shares Used [Line Items] De-SPAC, Number of Shares Used, Adjustment De-SPAC, Number of Shares Used to Determine Net Tangible Book Value, Adjusted De-SPAC Transactions, Background Summary [Line Items] De-SPAC, Adjusted Net Tangible Book Value Per Share with Sources of Dilution [Abstract] De-SPAC Transactions, Shareholder Rights [Line Items] De-SPAC, Security Holders are Entitled to Redemption Rights [Flag] De-SPAC, Security Holders are Entitled to Appraisal Rights [Flag] De-SPAC, Security Holders Redemption Rights Summary [Text Block] De-SPAC, Security Holders Appraisal Rights Summary [Text Block] Entity Incorporation, State or Country Code Entity Registrant Name Entity Tax Identification Number Local Phone Number Accretion of carrying value to redemption value Temporary Equity, Accretion to Redemption Value, Adjustment Schedule of Class A Ordinary Shares Subject to Possible Redemption [Abstract] Temporary Equity, Including Noncontrolling Interest [Abstract] Less: Less: [Abstract] Plus: Plus: [Abstract] Ordinary Shares Common Stock [Member] Equity Component [Domain] Accumulated Deficit Retained Earnings [Member] Balance (in Shares) Balance (in Shares) Shares, Outstanding, Ending Balance De-SPAC, Background, Contacts Description [Text Block] De-SPAC, Background, Negotiations Description [Text Block] Schedule of Level3 Valuation of the Public Warrants [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Levels 3 [Member] Fair Value, Inputs, Level 3 [Member] Probability of De-SPAC and market adjustment [Member] Measurement Input, Comparability Adjustment [Member] Exercise price [Member] Measurement Input, Exercise Price [Member] Shareholders’ Deficit [Table] Public warrants exercisable from closing of initial public offering Public Warrants Exercisable From Closing of Initial Public Offering The amount of public warrants exercisable from closing of initial public offering. Number of warrants purchased Number of warrants purchased. Prior written notice of redemption Prior written notice of redemption. Redemption period day Redemption period day. De-SPAC, SPAC Reasons for the Structure, and Timing of De-SPAC and Related Financing Transaction [Text Block] Share-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition, Total De-SPAC Transactions [Line Items] De-SPAC Transactions, Forepart [Line Items] De-SPAC Forepart, Board Determination [Text Block] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Redemption Level [Axis] Dilution Source [Axis] City Area Code Contact Personnel Name Cover [Abstract] Document Information [Line Items] Document Information [Table] Document Type Entity Address, Address Line One Entity Address, Address Line Two Entity Address, City or Town Entity Addresses, Address Type [Axis] Entity Address, Postal Zip Code Entity Address, State or Province Entity Central Index Key Entity Emerging Growth Company Entity Ex Transition Period De-SPAC, Adjusted Net Tangible Book Value Per Share with Sources of Dilution [Line Items] De-SPAC, Net Tangible Book Value, Per Share [Line Items] De-SPAC, Board Determination Disclosure [Text Block] De-SPAC, Net Tangible Book Value, Per Share De-SPAC, Net Tangible Book Value, Amount of Dilution Per Share De-SPAC, Net Tangible Book Value, Adjusted, Per Share Net Change in Cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation, Total De-SPAC, Board Determination Disclosure [Line Items] De-SPAC, Approval By Majority of Unaffiliated Security Holders of the SPAC is Required [Flag] Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Prepaid expenses Increase (Decrease) in Prepaid Expense Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation, Total Cash Flows from Financing Activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation, Total Cash Flows from Investing Activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation, Total Cash Flows from Operating Activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Payment of offering costs Payments of Financing Costs, Total Investment of cash in Trust Account Payments to Acquire Investments, Total Class A Ordinary Shares Subject to Possible Redemption Shares Subject to Mandatory Redemption, Changes in Redemption Value, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Net Income Per Ordinary Share Earnings Per Share, Policy [Policy Text Block] Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Cash and Marketable Securities Held in Trust Account Marketable Securities, Policy [Policy Text Block] Chief Executive Officer