OPERATING AND REPORTING SEGMENTS - Summary of Assets by Segment (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	$ 6,714,492	$ 5,748,663
Investments in unconsolidated entities	397,061	346,192
Other assets	2,188,883	2,577,232
Total assets	9,300,436	8,672,087
Operating Segments | East
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	2,379,080	1,909,084
Investments in unconsolidated entities	81,378	63,628
Other assets	156,550	177,739
Total assets	2,617,008	2,150,451
Operating Segments | Central
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	1,315,754	1,181,014
Investments in unconsolidated entities	133,182	125,610
Other assets	220,638	214,685
Total assets	1,669,574	1,521,309
Operating Segments | West
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	3,019,658	2,658,565
Investments in unconsolidated entities	94,932	88,219
Other assets	617,623	616,210
Total assets	3,732,213	3,362,994
Operating Segments | Financial Services
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	0	0
Investments in unconsolidated entities	5,483	5,483
Other assets	344,899	298,451
Total assets	350,382	303,934
Corporate and Unallocated
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	0	0
Investments in unconsolidated entities	82,086	63,252
Other assets	849,173	1,270,147
Total assets	$ 931,259	$ 1,333,399