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Other Data - Narrative (Details) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Tax Credit Carryforward [Line Items]      
Condition to qualify as REIT as defined under the internal revenue code Company must meet a number of organizational and operational requirements, including a requirement that it currently distribute at least 90% of its taxable income to its stockholders.    
Number of preferred shares outstanding (in shares) 0 0  
Dividends distributed to preferred shares $ 0    
Legacy HR      
Tax Credit Carryforward [Line Items]      
Estimated aggregate total cost of total assets for federal income tax purposes $ 13,000,000,000 $ 5,000,000,000 $ 4,700,000,000
Legacy HTA      
Tax Credit Carryforward [Line Items]      
Estimated aggregate total cost of total assets for federal income tax purposes   $ 8,200,000,000 $ 7,900,000,000