v3.25.2
Fair Value - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Total fair value measurement gain/(loss)     $ 45,590   $ 17,616
Home Building Segment          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Senior Notes carrying value $ 910,145   910,145   911,118
Home Building Segment | Senior Notes due 2030          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Senior Notes carrying value 910,145   910,145   911,118
Home Building Segment | Level 2 | Fair Value, Recurring | Senior Notes due 2030          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Senior Notes fair value 838,476   838,476   811,161
Mortgage Banking | Level 2 | Not Designated as Hedging Instrument          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Fair value adjustment income (expense) 648 $ 668 27,974 $ (3,502)  
Mortgage Banking | Level 2 | Fair Value, Recurring | Rate Lock Commitments          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Fair value disclosure, off-balance sheet risks, face amount, liability 2,005,358   2,005,358    
Total fair value measurement gain/(loss)     46,804    
Mortgage Banking | Level 2 | Fair Value, Recurring | Forward Sales Contracts          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Fair value disclosure, off-balance sheet risks, face amount, liability 2,076,492   2,076,492    
Total fair value measurement gain/(loss)     (11,422)    
Mortgage Banking | Level 2 | Fair Value, Recurring | Mortgages Held for Sale          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Trade and loans receivables held-for-sale, net, not part of disposal group 415,974   415,974   $ 355,209
Fair Value, principal amount, loans held for sale $ 405,766 $ 352,489 405,766 352,489  
Fair value, option, changes in fair value, gain (loss)     (10,208) $ (2,720)  
Total fair value measurement gain/(loss)     $ 10,208