SEGMENTS (Details 5) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reconciliation of total segment assets to total assets
Assets	$ 4,567,868,000	$ 3,503,042,000	$ 3,399,593,000
Operating Assets
Reconciliation of total segment assets to total assets
Capital expenditures	22,200,000	14,200,000	8,500,000
Strategic Developments
Reconciliation of total segment assets to total assets
Capital expenditures	221,100,000	58,900,000	35,200,000
Operating segment
Reconciliation of total segment assets to total assets
Assets	3,567,169,000	2,989,474,000	2,841,952,000
Operating segment | Master Planned Communities
Reconciliation of total segment assets to total assets
Assets	1,760,639,000	1,756,625,000	1,780,596,000
Operating segment | Operating Assets
Reconciliation of total segment assets to total assets
Assets	1,344,005,000	944,562,000	871,549,000
Operating segment | Strategic Developments
Reconciliation of total segment assets to total assets
Assets	462,525,000	288,287,000	189,807,000
Corporate and other
Reconciliation of total segment assets to total assets
Assets	1,000,699,000	513,568,000	557,641,000
Capital expenditures	$ 26,800,000	$ 1,300,000	$ 700,000