v3.26.1
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2026
Aug. 06, 2026
Document Information [Line Items]    
Entity Registrant Name IPC Alternative Real Estate Income Trust, Inc.  
Entity Central Index Key 0001959961  
Document Type 10-Q  
Document Period End Date Jun. 30, 2026  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period true  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2026  
Entity Current Reporting Status Yes  
Entity Shell Company false  
Entity Interactive Data Current Yes  
Entity File Number 333-272750  
Entity Tax Identification Number 87-1302380  
Entity Address, Address Line One 2901 Butterfield Road  
Entity Address, City or Town Oak Brook  
Entity Address, State or Province IL  
Entity Address, Country US  
Entity Incorporation, State or Country Code MD  
Entity Address, Postal Zip Code 60523  
City Area Code 630  
Local Phone Number 218-8000  
Document Quarterly Report true  
Document Transition Report false  
Common Stock, Class T    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   159,256
Common Stock, Class S    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   0
Common Stock, Class D    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   31,496
Common Stock, Class I    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   395,921
Common Stock, Class A    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   0
Common Stock, Class X-1    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   53,239
Common Stock, Class X-2    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   0