Transfer Of Held For Sale Real Estate To Continuing Operations And Related Items (Details)	12 Months Ended
	Dec. 31, 2011 Lake Taupo Motel [Member] USD ($)	Dec. 31, 2011 Lake Taupo Motel [Member] NZD	Dec. 31, 2010 Lake Taupo Motel [Member] USD ($) acre	Dec. 31, 2012 Burwood Land [Member] acre	Dec. 31, 2011 Burwood Land [Member] USD ($)	Dec. 31, 2011 Burwood Land [Member] AUD	May 31, 2010 Burwood Land [Member] acre
Transfer Of Held For Sale Real Estate To Continuing Operations And Related Items [Line Items]
Area of property			1.0	50.6			50.6
Reclassification of income			$ 5,000
Loss on transfer of assets held for sale	37,000	48,000
Carrying value					$ 53,400,000	52,100,000