REPORTING SEGMENTS - Summary of Assets by Segment (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	$ 4,171,239	$ 4,038,494
Investments in unconsolidated entities	138,334	140,541
Other assets	880,831	1,085,406
Total assets	5,190,404	5,264,441
Operating Segments | East
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	1,928,199	1,862,756
Investments in unconsolidated entities	0	0
Other assets	147,094	162,339
Total assets	2,075,293	2,025,095
Operating Segments | Central
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	1,057,565	1,011,659
Investments in unconsolidated entities	35,472	35,476
Other assets	131,130	118,187
Total assets	1,224,167	1,165,322
Operating Segments | West
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	1,185,475	1,164,079
Investments in unconsolidated entities	98,517	100,693
Other assets	68,444	55,433
Total assets	1,352,436	1,320,205
Operating Segments | Financial Services
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	0	0
Investments in unconsolidated entities	4,015	4,015
Other assets	175,576	236,291
Total assets	179,591	240,306
Corporate and Unallocated
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	0	0
Investments in unconsolidated entities	330	357
Other assets	358,587	513,156
Total assets	$ 358,917	$ 513,513