XML 59 R45.htm IDEA: XBRL DOCUMENT v3.20.2
Fair Value - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Total fair value measurement gain/(loss)     $ 12,143   $ 14,111
Home Building [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Senior Notes carrying value $ 1,517,982   1,517,982   598,301
Home Building [Member] | Senior Notes due 2022 [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Senior Notes carrying value 598,768   598,768   598,301
Home Building [Member] | Level 2 [Member] | Fair Value, Recurring [Member] | Senior Notes due 2022 [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Senior Notes fair value 633,708   633,708   626,520
Mortgage Banking [Member]          
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 340,927   340,927   492,125
Mortgage Banking [Member] | Level 2 [Member] | Not Designated as Hedging Instrument [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Fair value adjustment income (expense) 1,735 $ (8,711) (1,968) $ 2,842  
Mortgage Banking [Member] | Level 2 [Member] | Fair Value, Recurring [Member] | Rate Lock Commitments [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability 791,352   791,352    
Total fair value measurement gain/(loss)     8,329    
Mortgage Banking [Member] | Level 2 [Member] | Fair Value, Recurring [Member] | Forward Sales Contracts [Member]          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability 958,681   958,681    
Total fair value measurement gain/(loss)     (471)    
Mortgage Banking [Member] | Level 2 [Member] | Fair Value, Recurring [Member] | Mortgages Held for Sale [Member]          
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 340,927   340,927   492,125
Fair Value, Option, Changes in Fair Value, Gain (Loss)     4,285   7,019
Fair Value, Principal Amount, Loans Held for Sale $ 336,642   $ 336,642   $ 485,106