v3.26.1
S-K 1602(b)(6) Prospectus Summary, Sponsor Compensation
Jul. 24, 2026
USD ($)
$ / shares
shares
SPAC Prospectus Summary, Sponsor Compensation [Line Items]  
Price Paid or to be Paid for Securities, Total Amount (in Dollars) | $ $ 20,000
Securities Issued or to be Issued, Shares | shares 879,375
Price Paid or to be Paid for Securities, Per Share (in Dollars per share) | $ / shares $ 0.004
Over-Allotment Option [Member]  
SPAC Prospectus Summary, Sponsor Compensation [Line Items]  
Price Paid or to be Paid for Securities, Total Amount (in Dollars) | $ $ 25,000
K2 Capital Sponsor II, LLC [Member]  
SPAC Prospectus Summary, Sponsor Compensation [Line Items]  
Price Paid or to be Paid for Securities, Total Amount (in Dollars) | $ 300,000
K2 Capital Sponsor II, LLC [Member] | Sponsor [Member]  
SPAC Prospectus Summary, Sponsor Compensation [Line Items]  
Price Paid or to be Paid for Securities, Total Amount (in Dollars) | $ 6,000
K2 Capital Sponsor II, LLC [Member] | Class B Ordinary Shares [Member]  
SPAC Prospectus Summary, Sponsor Compensation [Line Items]  
Price Paid or to be Paid for Securities, Total Amount (in Dollars) | $ $ 25,000
Securities Issued or to be Issued, Shares | shares 6,820,337
K2 Capital Sponsor II, LLC [Member] | Private Placement Units [Member]  
SPAC Prospectus Summary, Sponsor Compensation [Line Items]  
Price Paid or to be Paid for Securities, Total Amount (in Dollars) | $ $ 2,767,600
Securities Issued or to be Issued, Shares | shares 276,760
K2 Capital Sponsor II, LLC [Member] | Over-Allotment Option [Member]  
SPAC Prospectus Summary, Sponsor Compensation [Line Items]  
Price Paid or to be Paid for Securities, Total Amount (in Dollars) | $ $ 2,880,100
Securities Issued or to be Issued, Shares | shares 288,010
K2 Capital Sponsor II, LLC [Member] | Working Capital Loans [Member]  
SPAC Prospectus Summary, Sponsor Compensation [Line Items]  
Price Paid or to be Paid for Securities, Total Amount (in Dollars) | $ $ 2,500,000
Price Paid or to be Paid for Securities, Per Share (in Dollars per share) | $ / shares $ 10
Karan Thakur [Member] | Class B Ordinary Shares [Member]  
SPAC Prospectus Summary, Sponsor Compensation [Line Items]  
Securities Issued or to be Issued, Shares | shares 6,820,337
Yungkon Bann [Member] | Class B Ordinary Shares [Member]  
SPAC Prospectus Summary, Sponsor Compensation [Line Items]  
Securities Issued or to be Issued, Shares | shares 25,000
Michael E. Fuentes [Member] | Class B Ordinary Shares [Member]  
SPAC Prospectus Summary, Sponsor Compensation [Line Items]  
Securities Issued or to be Issued, Shares | shares 25,000
Rajiv Matthew [Member] | Class B Ordinary Shares [Member]  
SPAC Prospectus Summary, Sponsor Compensation [Line Items]  
Securities Issued or to be Issued, Shares | shares 25,000