SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 5) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Land	$ 252,593	$ 234,190
Buildings and equipment	657,268	545,343
Accumulated depreciation	112,491	91,605
Accounts receivable, net	13,905	20,089
Investment in Real Estate Affiliates	32,179	58,790
General and administrative	34,423	32,342	21,538
Reclassification Adjustment | Master Planned Community operations
General and administrative		3,200
Reclassification Adjustment | Developments
Land		2,200
Buildings and equipment		11,400
Accumulated depreciation		900
Reclassification Adjustment | Accounts Payable
Accounts receivable, net		4,400
Reclassification Adjustment | Master Planned Community assets
Investment in Real Estate Affiliates		2,400
Reclassification Adjustment | Prepaid expenses and other assets
Investment in Real Estate Affiliates		$ 3,800