REPORTING SEGMENTS - Assets from Segment (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	$ 3,236,217	$ 3,009,004
Investments in unconsolidated entities	189,733	192,364
Other assets	794,871	1,124,525
Total assets	4,220,821	4,325,893
Operating Segments | East
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	1,253,377	1,150,918
Investments in unconsolidated entities	30,250	29,316
Other assets	76,418	85,753
Total assets	1,360,045	1,265,987
Operating Segments | Central
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	913,502	818,431
Investments in unconsolidated entities	34,763	32,874
Other assets	114,518	124,593
Total assets	1,062,783	975,898
Operating Segments | West
Segment Reporting, Asset Reconciling Item [Line Items]
Real estate inventory and land deposits	1,069,338	1,039,655
Investments in unconsolidated entities	120,705	126,559
Other assets	35,082	53,492
Total assets	1,225,125	1,219,706
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	3,615
Other assets	149,492	225,641
Total assets	153,507	229,256
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	419,361	635,046
Total assets	$ 419,361	$ 635,046