v3.25.3
Cover - shares
9 Months Ended
Sep. 30, 2025
Nov. 12, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Sep. 30, 2025  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q3  
Entity Information [Line Items]    
Entity Registrant Name CRANE HARBOR ACQUISITION CORP.  
Entity Central Index Key 0002054174  
Entity File Number 001-42617  
Entity Tax Identification Number 98-1830736  
Entity Incorporation, State or Country Code E9  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Shell Company true  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Incorporation, Date of Incorporation Jan. 02, 2025  
Entity Contact Personnel [Line Items]    
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  
Entity Phone Fax Numbers [Line Items]    
City Area Code (646)  
Local Phone Number 470-1493  
Units, each consisting of one Class A ordinary share and one share right    
Entity Listings [Line Items]    
Title of 12(b) Security Units, each consisting of one Class A ordinary share and one share right  
Trading Symbol CHACU  
Security Exchange Name NASDAQ  
Class A ordinary shares, par value $0.0001 per share    
Entity Listings [Line Items]    
Title of 12(b) Security Class A ordinary shares, par value $0.0001 per share  
Trading Symbol CHAC  
Security Exchange Name NASDAQ  
Share Rights, each right entitling the holder to receive one tenth (1/10) of a Class A ordinary share    
Entity Listings [Line Items]    
Title of 12(b) Security Share Rights, each right entitling the holder to receive one tenth (1/10) of a Class A ordinary share  
Trading Symbol CHACR  
Security Exchange Name NASDAQ  
Class A Ordinary Shares    
Entity Listings [Line Items]    
Entity Common Stock, Shares Outstanding   22,640,000
Class B Ordinary Shares    
Entity Listings [Line Items]    
Entity Common Stock, Shares Outstanding   7,333,333