v3.26.3
NONCONTROLLING INTERESTS - Additional Information (Details)
$ / shares in Thousands, $ in Millions
 9 Months Ended 12 Months Ended
Sep. 30, 2026
USD ($)
class
$ / shares
shares
Dec. 31, 2019
USD ($)
shares
Dec. 31, 2025
USD ($)
Noncontrolling Interest [Line Items]      
Holding period for right to exchange (in months) 12 months    
Right to exchange, conversion ratio 1    
Redeemable noncontrolling interest, common stock class C units $ 25.0   $ 25.0
HRH Class B Unit Noncontrolling Interests      
Noncontrolling Interest [Line Items]      
Preferred stock, par or stated value per share (in dollars per share) | $ / shares $ 1    
Percentage of preferred return 10.00%    
Preferred stock, redemption price (in dollars per unit) | $ / shares $ 1    
San Francisco Venture      
Noncontrolling Interest [Line Items]      
Issuance of Class C common shares (in shares) | shares   25,000,000.0  
Proceeds from issuance of redeemable noncontrolling interest   $ 25.0  
Authorized redemption percent   50.00%  
Maximum amount payable, class C units   $ 25.0  
Infrastructure development costs   25.0  
San Francisco Venture | Maximum      
Noncontrolling Interest [Line Items]      
Authorized contribution amount   $ 25.0  
The San Francisco Venture      
Noncontrolling Interest [Line Items]      
Holding period for right to exchange (in months) 12 months    
Right to exchange, conversion ratio 1    
Number of classes of membership units | class 3    
Unitholder request for redemption, minimum ownership 50.10%    
Conversion of Class B Common Shares Into Class A Common Shares      
Noncontrolling Interest [Line Items]      
Conversion of common shares, ratio 0.0003    
Five Point Operating Company, LLC      
Noncontrolling Interest [Line Items]      
Noncontrolling interest percentage of outstanding common units 34.70%    
Five Point Operating Company, LLC | Class A Units | Related Party      
Noncontrolling Interest [Line Items]      
Ownership percentage of outstanding common units 65.30%    
Five Point Operating Company, LLC | Class B Units | Related Party      
Noncontrolling Interest [Line Items]      
Ownership percentage of outstanding common units 100.00%    
Hearthstone | Hearthstone Venture Class A Units      
Noncontrolling Interest [Line Items]      
Ownership percentage of outstanding common units 75.00%    
Hearthstone | Hearthstone Inc. And Affiliated Trusts | HRH Class B Unit Noncontrolling Interests      
Noncontrolling Interest [Line Items]      
Noncontrolling interest percentage of outstanding common units 100.00%    
Preferred stock, shares outstanding (in shares) | shares 9,847,000    
Hearthstone | Hearthstone Inc. And Affiliated Trusts | HRH Class A Unit Noncontrolling Interests      
Noncontrolling Interest [Line Items]      
Noncontrolling interest percentage of outstanding common units 25.00%