FAIR VALUE DISCLOSURES - Summary of Carrying Value and Fair Value of Financial Instruments (Detail) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Senior Notes | $5.875% Senior Notes due 2027
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stated interest rate (as a percent)	5.875%
Senior Notes | 6.625% Senior Notes Due 2027
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stated interest rate (as a percent)	6.625%
Senior Notes | 5.75% Senior Notes due 2028
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stated interest rate (as a percent)	5.75%
Senior Notes | $5.125% Senior Notes due 2030
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stated interest rate (as a percent)	5.125%
Carrying Value | 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held for sale	$ 225,100	$ 207,936
Carrying Value | 2 | MBSs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	56
Derivative liabilities		4,174
Carrying Value | 2 | Mortgage warehouse facilities borrowings
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt	175,741	174,460
Carrying Value | 2 | Loans payable and other borrowings
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt	436,965	475,569
Carrying Value | 2 | Senior Notes | $5.875% Senior Notes due 2027
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt	498,306	498,110
Carrying Value | 2 | Senior Notes | 6.625% Senior Notes Due 2027
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt	27,731	27,803
Carrying Value | 2 | Senior Notes | 5.75% Senior Notes due 2028
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt	448,238	448,080
Carrying Value | 2 | Senior Notes | $5.125% Senior Notes due 2030
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt	496,618	496,461
Carrying Value | 3 | IRLCs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets		(5,917)
Derivative liabilities	(4,800)
Estimated Fair Value | 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage loans held for sale	225,100	207,936
Estimated Fair Value | 2 | MBSs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets	56
Derivative liabilities		4,174
Estimated Fair Value | 2 | Mortgage warehouse facilities borrowings
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt	175,741	174,460
Estimated Fair Value | 2 | Loans payable and other borrowings
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt	436,965	475,569
Estimated Fair Value | 2 | Senior Notes | $5.875% Senior Notes due 2027
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt	500,880	501,770
Estimated Fair Value | 2 | Senior Notes | 6.625% Senior Notes Due 2027
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt	27,034	26,804
Estimated Fair Value | 2 | Senior Notes | 5.75% Senior Notes due 2028
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt	448,772	446,679
Estimated Fair Value | 2 | Senior Notes | $5.125% Senior Notes due 2030
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt	480,850	478,455
Estimated Fair Value | 3 | IRLCs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative assets		$ (5,917)
Derivative liabilities	$ (4,800)