REPORTING SEGMENTS - Summary of Assets by Segment (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	$ 6,003,988	$ 5,729,056
Investments in unconsolidated entities	173,231	171,406
Other assets	2,340,756	2,827,315
Total assets	8,517,975	8,727,777
Operating Segments | East
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	1,905,120	1,781,948
Investments in unconsolidated entities	0	0
Other assets	153,946	196,126
Total assets	2,059,066	1,978,074
Operating Segments | Central
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	1,389,070	1,282,024
Investments in unconsolidated entities	87,737	87,600
Other assets	198,151	221,906
Total assets	1,674,958	1,591,530
Operating Segments | West
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	2,709,798	2,665,084
Investments in unconsolidated entities	81,219	79,531
Other assets	550,998	588,520
Total assets	3,342,015	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	4,275	4,275
Other assets	334,568	559,233
Total assets	338,843	563,508
Corporate and Unallocated
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	0	0
Investments in unconsolidated entities	0	0
Other assets	1,103,093	1,261,530
Total assets	$ 1,103,093	$ 1,261,530