v3.26.3
WAREHOUSE AND CORPORATE NOTES PAYABLE - Corporate Notes Payable - Components of Notes Payable (Detail) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Oct. 26, 2026
Oct. 25, 2026
Mar. 14, 2025
WAREHOUSE AND CORPORATE NOTES PAYABLE            
Repayments of notes payable $ 3,375 $ 330,731        
Carrying balance $ 804,609   $ 829,218      
Stated interest rate 6.625%   6.625%      
Percentage added to reference rate 2.57%   2.57%      
Senior Notes            
WAREHOUSE AND CORPORATE NOTES PAYABLE            
Unpaid principal balance $ 400,000   $ 400,000      
Fair value adjustment (22,484)   927      
Unamortized debt issuance costs (6,234)   (6,965)      
Carrying balance $ 371,282   $ 393,962      
Debt instrument, Variable interest rate, Type us-gaap:SecuredOvernightFinancingRateSofrMember   us-gaap:SecuredOvernightFinancingRateSofrMember      
Term Loan            
WAREHOUSE AND CORPORATE NOTES PAYABLE            
Quarterly equal installments $ 1,100   $ 1,100      
Unpaid principal balance 443,250   446,625      
Unamortized debt discount (2,543)   (2,688)      
Unamortized debt issuance costs (7,380)   (8,681)      
Carrying balance 433,327   $ 435,256      
Credit Agreement | Senior Notes            
WAREHOUSE AND CORPORATE NOTES PAYABLE            
Principal amount 400,000          
Credit Agreement | Term Loan            
WAREHOUSE AND CORPORATE NOTES PAYABLE            
Unpaid principal balance $ 443,300          
Principal amount           $ 450,000
Revolving Credit Facility | Term Loan            
WAREHOUSE AND CORPORATE NOTES PAYABLE            
Principal amount           $ 50,000
Revolving Credit Facility | Term Loan | Subsequent Event            
WAREHOUSE AND CORPORATE NOTES PAYABLE            
Principal amount       $ 150,000 $ 50,000  
Letter of credit | Term Loan | Subsequent Event            
WAREHOUSE AND CORPORATE NOTES PAYABLE            
Principal amount       $ 75,000 $ 25,000