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BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Surety Bond and Letter of Credit Obligations (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Loss Contingencies [Line Items] |  |
Total LOCs | $ 97,411 | $ 60,942
Sureties related to owned projects and lots under contract [Member] |  |
Loss Contingencies [Line Items] |  |
Outstanding | 478,788 | 405,017
Estimated work remaining to complete (unaudited) | 216,708 | 186,986
Total Sureties [Member] |  |
Loss Contingencies [Line Items] |  |
Outstanding | 478,788 | 405,017
Estimated work remaining to complete (unaudited) | 216,708 | 186,986
LOCs for land development [Member] |  |
Loss Contingencies [Line Items] |  |
Total LOCs | 93,661 | 57,192
LOCs for general corporate operations [Member] |  |
Loss Contingencies [Line Items] |  |
Total LOCs | $ 3,750 | $ 3,750

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