XML 10 R1.htm IDEA: XBRL DOCUMENT v3.26.1
Cover - shares
 6 Months Ended
Jun. 30, 2026
Aug. 05, 2026
Document Information Line Items    
Entity Registrant Name Lakeshore Acquisition III Corp.  
Entity Central Index Key 0002049248  
Document Type 10-Q  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Small Business true  
Entity Shell Company true  
Entity Emerging Growth Company true  
Entity Current Reporting Status Yes  
Document Period End Date Jun. 30, 2026  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2026  
Entity Ex Transition Period false  
Entity Common Stock Shares Outstanding   3,822,787
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 001-42623  
Entity Incorporation State Country Code E9  
Entity Address Address Line 1 667 Madison Avenue  
Entity Address City Or Town New York  
Entity Address State Or Province NY  
Entity Address Postal Zip Code 10065  
City Area Code 917  
Local Phone Number 327-9933  
Entity Interactive Data Current Yes  
Ordinary Shares [Member]    
Document Information Line Items    
Security 12b Title Ordinary Shares  
Trading Symbol LCCC  
Security Exchange Name NASDAQ  
Rights [Member]    
Document Information Line Items    
Security 12b Title Rights  
Trading Symbol LCCCR  
Security Exchange Name NASDAQ  
Unit [Member]    
Document Information Line Items    
Security 12b Title Units  
Trading Symbol LCCCU  
Security Exchange Name NASDAQ