v3.26.1
Equity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended 12 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
Dec. 31, 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 $ 2,113
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]                  
Common unit, issued (in shares)     187,222,996            
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)     138,816,246 138,816,246          
Healthpeak | Janus Living OP Common Units                  
Class of Stock [Line Items]                  
Number of shares issued in transaction (in shares)     75,917,780 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