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Cover Page - USD ($)
 12 Months Ended
Dec. 31, 2023
Feb. 12, 2024
Jun. 30, 2023
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2023    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-35568    
Entity Registrant Name HEALTHCARE REALTY TRUST INCORPORATED    
Entity Incorporation, State or Country Code MD    
Entity Tax Identification Number 20-4738467    
Entity Address, Address Line One 3310 West End Avenue    
Entity Address, Address Line Two Suite 700    
Entity Address, City or Town Nashville    
Entity Address, State or Province TN    
Entity Address, Postal Zip Code 37203    
City Area Code 615    
Local Phone Number 269-8175    
Title of 12(b) Security Class A Common Stock, $0.01 par value per share    
Trading Symbol HR    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction Flag false    
Entity Shell Company false    
Entity Public Float     $ 7,130,838,614
Entity Common Stock, Shares Outstanding   381,180,874  
Documents Incorporated by Reference Portions of the Registrant’s definitive Proxy Statement relating to the Annual Meeting of Stockholders to be held on May 21, 2024, are incorporated by reference into Part III of this Report.    
Entity Central Index Key 0001360604    
Amendment Flag false    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY