REPORTING SEGMENTS - Summary of Assets by Segment (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	$ 6,324,682	$ 5,729,056
Investments in unconsolidated entities	291,560	171,406
Other assets	2,033,981	2,827,315
Total assets	8,650,223	8,727,777
Operating Segments | East
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	2,017,995	1,781,948
Investments in unconsolidated entities	42,283	0
Other assets	167,882	196,126
Total assets	2,228,160	1,978,074
Operating Segments | Central
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	1,514,185	1,282,024
Investments in unconsolidated entities	89,454	87,600
Other assets	220,763	221,906
Total assets	1,824,402	1,591,530
Operating Segments | West
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	2,792,502	2,665,084
Investments in unconsolidated entities	127,811	79,531
Other assets	566,028	588,520
Total assets	3,486,341	3,333,135
Operating Segments | Financial Services
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	0	0
Investments in unconsolidated entities	4,342	4,275
Other assets	302,182	559,233
Total assets	306,524	563,508
Corporate and Unallocated
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	0	0
Investments in unconsolidated entities	27,670	0
Other assets	777,126	1,261,530
Total assets	$ 804,796	$ 1,261,530