SEGMENTS (Details 5) (USD $)	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Reconciliation of total segment assets to total assets
Assets	$ 5,311,169,000	$ 4,567,868,000
Strategic Developments
Additional information
Increase (Decrease) in Assets	605,900,000
Strategic Developments | Ward Village
Additional information
Increase (Decrease) in Assets	41,200,000
Deposits collected on the sale of condominium units	125,000,000
Increase in buildings and equipment	21,600,000
Strategic Developments | Downtown Summerlin
Additional information
New developments in progress	190,500,000
Strategic Developments | Hughes Landing - Multi-family
Additional information
Increase (Decrease) in Assets	41,300,000
Strategic Developments | ExxonMobil
Additional information
Increase (Decrease) in Assets	60,400,000
Strategic Developments | Hughes Landing Retail
Additional information
Increase (Decrease) in Assets	17,100,000
Strategic Developments | The Woodlands
Additional information
Increase (Decrease) in Assets	35,800,000
Strategic Developments | Land parcel near the Seaport
Additional information
Purchase deposits	16,100,000
Strategic Developments | ONE Ala Moana
Additional information
Increase in the carrying value of investment	21,400,000
Operating segment
Reconciliation of total segment assets to total assets
Assets	4,275,252,000	3,381,501,000
Operating segment | Master Planned Communities
Reconciliation of total segment assets to total assets
Assets	1,855,671,000	1,760,639,000
Operating segment | Operating Assets
Reconciliation of total segment assets to total assets
Assets	1,351,090,000	1,158,337,000
Operating segment | Operating Assets | Previously reported
Additional information
Tax indemnification asset		185,700,000
Operating segment | Strategic Developments
Reconciliation of total segment assets to total assets
Assets	1,068,491,000	462,525,000
Corporate and other
Reconciliation of total segment assets to total assets
Assets	1,035,917,000	1,186,367,000
Additional information
Increase (Decrease) in Assets	150,500,000
Tax indemnification asset		$ 320,500,000