v3.25.4
Cover - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Mar. 10, 2026
Jun. 30, 2025
Document and Entity Information [Abstract]      
Entity Filer Category 10-K    
Document Annual Report true    
Document Transition Report false    
Entity File Number 000-55580    
Entity Registrant Name HIGHLANDS REIT, INC.    
Entity Incorporation, State or Country Code MD    
Entity Tax Identification Number 81-0862795    
Entity Address, Address Line One 1 South Dearborn Street    
Entity Address, Address Line Two 20th Floor    
Entity Address, City or Town Chicago    
Entity Address, State or Province IL    
Entity Address, Postal Zip Code 60603    
City Area Code 312    
Local Phone Number 583-7990    
Entity Voluntary Filers No    
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    
ICFR Auditor Attestation Flag false    
Entity Well-known Seasoned Issuer No    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 222.8
Entity Common Stock, Shares Outstanding   722,202,902  
Entity Central Index Key 0001661458    
Document Period End Date Dec. 31, 2025    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Documents Incorporated by Reference
DOCUMENTS INCORPORATED BY REFERENCE
Part III of this Annual Report on Form 10-K incorporates by reference portions of the registrant’s Proxy Statement for its 2026 Annual Meeting of Stockholders expected to be held on May 22, 2026.