INCOME TAXES (Summary of Tax Effects and Temporary Differences Included in Net Deferred Tax Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred tax assets:
Operating and Strategic Development properties, primary differences in basis of assets and liabilities	$ 208,862	$ 213,090
Interest deduction carryforwards	54,759	79,781
Operating loss and tax credit carryforwards	30,866	34,499
Total deferred tax assets	294,487	327,370
Valuation allowance	(18,635)	(19,960)
Total net deferred tax assets	275,852	307,410
Deferred tax liabilities:
Property Associated with Master Planned Communities, primarily differences in the tax basis of land assets and treatment of interest and other costs	(262,572)	(218,842)
Operating and Strategic Development properties, primarily differences in basis of assets and liabilities	(40,915)	(42,860)
Deferred income	(173,310)	(134,929)
Total deferred tax liabilities	(476,797)	(396,631)
Net deferred tax liabilities	$ (200,945)	$ (89,221)