XML 12 R1.htm IDEA: XBRL DOCUMENT v3.26.1
Document And Entity Information - shares
 3 Months Ended
Mar. 31, 2026
May 12, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 001-43018  
Document Period End Date Mar. 31, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Entity Registrant Name CRANE HARBOR ACQUISITION CORP. II  
Current Fiscal Year End Date --12-31  
Entity Central Index Key 0002081358  
Amendment Flag false  
Entity Incorporation, State or Country Code E9  
Entity Tax Identification Number 98-1868608  
Entity Address, Address Line One 1845 Walnut Street  
Entity Address, Address Line Two Suite 1111  
Entity Address, City or Town Philadelphia  
Entity Address, State or Province PA  
Entity Address, Postal Zip Code 19103  
City Area Code (646)  
Local Phone Number 470-1493  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company true  
Units, each consisting of one Class A ordinary share and one share right    
Document Information [Line Items]    
Title of 12(b) Security Units, each consisting of one Class A ordinary share and one share right  
Trading Symbol CRANU  
Security Exchange Name NASDAQ  
Class A ordinary shares, par value $0.0001 per share    
Document Information [Line Items]    
Title of 12(b) Security Class A ordinary shares, par value $0.0001 per share  
Trading Symbol CRAN  
Security Exchange Name NASDAQ  
Share Rights, each right entitling the holder to receive one fifteenth (1/15) of a Class A ordinary share    
Document Information [Line Items]    
Title of 12(b) Security Share Rights, each right entitling the holder to receive one fifteenth (1/15) of a Class A ordinary share  
Trading Symbol CRANR  
Security Exchange Name NASDAQ  
Class A Ordinary Shares    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   35,400,000
Class B Ordinary Shares    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   11,500,000