v3.26.1
Equity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended
Jul. 08, 2026
Jun. 04, 2026
Mar. 23, 2026
Mar. 31, 2026
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2026
Jun. 30, 2025
Class of Stock [Line Items]                
Dividends declared per common share (in dollars per share)         $ 0.1599   $ 0.1599  
Common stock, dividends, per share, cash paid (in dollars per share)         $ 0.1425 $ 0.0174    
Payments of offering costs           $ 8,000 $ 6,789 $ 0
Janus Living OP                
Class of Stock [Line Items]                
Unit redemption ratio (in shares)             1  
LTIP Units (in shares)         392,000   392,000  
IPO                
Class of Stock [Line Items]                
Issuance of common stock in connection with initial public offering, net of underwriting fees     $ 966,000          
Payments of offering costs     $ 65,000          
Follow-On Public Offering                
Class of Stock [Line Items]                
Payments of offering costs   $ 1,000            
Proceeds from issuance of common stock   719,000            
Over-Allotment Option                
Class of Stock [Line Items]                
Payments of offering costs   $ 28,000            
Janus Living OP                
Class of Stock [Line Items]                
Common unit, issued (in shares)       187,222,996   187,222,996    
Class A-1 Shares                
Class of Stock [Line Items]                
Issuance of common stock in connection with initial public offering, net of underwriting fees             $ 1,592,524 $ 0
Criteria redemption units (in shares)         75,917,780   75,917,780  
Criteria redemption units         $ 2,200,000   $ 2,200,000  
Class A-1 Shares | IPO                
Class of Stock [Line Items]                
Number of shares issued in transaction (in shares)       48,300,000        
Class A-1 Shares | Janus Living OP                
Class of Stock [Line Items]                
Unit redemption ratio (in shares)             1  
Common Class A-1 | Follow-On Public Offering                
Class of Stock [Line Items]                
Number of shares issued in transaction (in shares)   25,000,000            
Common Class A-1 | Over-Allotment Option                
Class of Stock [Line Items]                
Number of shares issued in transaction (in shares)   3,750,000            
Sale of stock, period of duration for underwriters   30 days            
Healthpeak | Class A-1 Shares                
Class of Stock [Line Items]                
Number of shares issued in transaction (in shares)       138,816,246        
Healthpeak | Janus Living OP Common Units                
Class of Stock [Line Items]                
Number of shares issued in transaction (in shares)       75,917,780        
Healthpeak | Common Class A-2                
Class of Stock [Line Items]                
Aggregate consideration       $ 760        
Janus Living, Inc | Janus Living OP Common Units                
Class of Stock [Line Items]                
Number of shares issued in transaction (in shares)             215,972,996  
Certain Employees Of Janus Living, Inc. | LTIP Units | Janus Living OP                
Class of Stock [Line Items]                
Issuance of common stock, net (in shares)             392,000  
Subsequent Event                
Class of Stock [Line Items]                
Dividends declared per common share (in dollars per share) $ 0.0475