v3.26.3
Business (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Aug. 12, 2026
Jun. 04, 2026
Mar. 23, 2026
Sep. 30, 2026
Mar. 31, 2026
Sep. 30, 2026
Janus Living, Inc            
Subsidiary, Sale of Stock [Line Items]            
Payments of stock issuance costs         $ 8,000  
Interest income from sale of stock transaction       $ 8,000   $ 19,000
IPO | Janus Living, Inc            
Subsidiary, Sale of Stock [Line Items]            
Proceeds from issuance of offering     $ 966,000      
Payments of stock issuance costs     $ 65,000      
Follow-On Offering | Janus Living, Inc            
Subsidiary, Sale of Stock [Line Items]            
Payments of stock issuance costs $ 19,000 $ 28,000        
Proceeds from issuance of common stock $ 534,000 $ 719,000        
Common Stock | Janus Living, Inc            
Subsidiary, Sale of Stock [Line Items]            
Ownership percentage           69.20%
Class A-1 | Janus Living, Inc            
Subsidiary, Sale of Stock [Line Items]            
Shares issued (in shares)     138,816,246      
Payments of stock issuance costs       $ 2,000   $ 1,000
Class A-1 | IPO | Janus Living, Inc            
Subsidiary, Sale of Stock [Line Items]            
Shares issued (in shares)     48,300,000      
Class A-1 | Follow-On Offering | Janus Living, Inc            
Subsidiary, Sale of Stock [Line Items]            
Shares issued (in shares) 18,400,000 25,000,000        
Class A-1 | Over-Allotment Option | Janus Living, Inc            
Subsidiary, Sale of Stock [Line Items]            
Shares issued (in shares)   3,750,000        
Sale of stock, period of duration for underwriters   30 days        
Class A-2 | Janus Living, Inc | Healthpeak            
Subsidiary, Sale of Stock [Line Items]            
Consideration received     $ 760      
Janus Living OP Common Units            
Subsidiary, Sale of Stock [Line Items]            
Shares issued (in shares)     75,917,780