v3.26.1
Document And Entity Information - shares
6 Months Ended
Jun. 30, 2026
Aug. 07, 2026
Document Information Line Items    
Entity Central Index Key 0001619312  
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Fiscal Year Focus 2026  
Document Transition Report false  
Entity File Number 000-55773  
Entity Registrant Name Lightstone Value Plus REIT IV, Inc.  
Entity Incorporation, State or Country Code MD  
Entity Tax Identification Number 47-1796830  
Entity Address, Address Line One 1985 Cedar Bridge Avenue  
Entity Address, Address Line Two Suite 1  
Entity Address, City or Town Lakewood  
Entity Address, State or Province NJ  
Entity Address, Postal Zip Code 08701  
City Area Code 732  
Local Phone Number 367-0129  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   8,100,000
Amendment Flag false  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-31