REAL ESTATE INVENTORY AND LAND DEPOSITS - Schedule of Development Status of Land Inventory (Detail) $ in Thousands	Jun. 30, 2018 USD ($) lot	Dec. 31, 2017 USD ($) lot
Inventory [Line Items]
Owned Lots (in lot) \| lot	26,589	25,921
Book Value of Land and Development
Inventory [Line Items]
Raw \| $	$ 336,396	$ 338,642
Partially developed \| $	371,810	543,200
Finished \| $	1,536,378	1,314,243
Long-term strategic assets \| $	3,169	10,730
Total \| $	$ 2,247,753	$ 2,206,815
Raw
Inventory [Line Items]
Owned Lots (in lot) \| lot	7,864	7,703
Partially developed
Inventory [Line Items]
Owned Lots (in lot) \| lot	5,567	5,811
Finished
Inventory [Line Items]
Owned Lots (in lot) \| lot	13,108	11,644
Long-term strategic assets
Inventory [Line Items]
Owned Lots (in lot) \| lot	50	763

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves, and progress payments, of inventory associated with long-term contracts, expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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The number of real estate properties owned as of the balance sheet date.

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