v3.26.1
Cover Page - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Mar. 20, 2026
Document Information [Line Items]    
Document Type 10-K  
Document Annual Report true  
Document Transition Report false  
Document Period End Date Dec. 31, 2025  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus FY  
Amendment Flag false  
Entity Central Index Key 0002035644  
Entity File Number 001-42448  
Entity Registrant Name RANGE CAPITAL ACQUISITION CORP.  
Entity Incorporation, State or Country Code E9  
Entity Tax Identification Number 00-0000000  
Entity Address, Address Line One 44 Main Street  
Entity Address, Address Line Two Cold Spring Harbor  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 11724  
City Area Code 631  
Local Phone Number 246-0360  
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  
Entity Common Stock, Shares Outstanding   16,037,500
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
ICFR Auditor Attestation Flag false  
Document Financial Statement Error Correction [Flag] false  
Auditor Name CBIZ CPAS P.C.  
Auditor Firm ID 199  
Auditor Location New York  
Entity Public Float $ 117.3  
Units, each consisting of one Ordinary Share and one Right [Member]    
Document Information [Line Items]    
Title of 12(b) Security Units, each consisting of one Ordinary Share and one Right  
Trading Symbol RANGU  
Security Exchange Name NASDAQ  
Ordinary shares, par value $0.0001 per share [Member]    
Document Information [Line Items]    
Title of 12(b) Security Ordinary shares, par value $0.0001 per share  
Trading Symbol RANG  
Security Exchange Name NASDAQ  
Rights, each Right to acquire one-tenth (1/10) of one Ordinary Share [Member]    
Document Information [Line Items]    
Title of 12(b) Security Rights, each Right to acquire one-tenth (1/10) of one Ordinary Share  
Trading Symbol RANGR  
Security Exchange Name NASDAQ