| ACQUISITIONS AND GOODWILL - Summary of Changes in the Carrying Amount of Goodwill (Details) $ in Thousands | 6 Months Ended | 
|---|---|
| Jun. 30, 2020  USD ($) | |
| Goodwill [Roll Forward] | |
| Beginning balance | $ 32,962 | 
| Additions | 0 | 
| Ending balance | 32,962 | 
| Operating Segments [Member] | Financial Services [Member] | |
| Goodwill [Roll Forward] | |
| Beginning balance | 0 | 
| Additions | 0 | 
| Ending balance | 0 | 
| Operating Segments [Member] | Reportable Subsegments [Member] | Home Building [Member] | West [Member] | |
| Goodwill [Roll Forward] | |
| Beginning balance | 0 | 
| Additions | 0 | 
| Ending balance | 0 | 
| Operating Segments [Member] | Reportable Subsegments [Member] | Home Building [Member] | Central [Member] | |
| Goodwill [Roll Forward] | |
| Beginning balance | 0 | 
| Additions | 0 | 
| Ending balance | 0 | 
| Operating Segments [Member] | Reportable Subsegments [Member] | Home Building [Member] | East [Member] | |
| Goodwill [Roll Forward] | |
| Beginning balance | 32,962 | 
| Additions | 0 | 
| Ending balance | 32,962 | 
| Corporate [Member] | |
| Goodwill [Roll Forward] | |
| Beginning balance | 0 | 
| Additions | 0 | 
| Ending balance | $ 0 | 
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available. 
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