Property And Equipment (Narrative) (Details)	3 Months Ended					3 Months Ended
	Mar. 31, 2015 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2014 USD ($)	Mar. 31, 2015 Moonee Ponds [Member] USD ($)	Mar. 31, 2015 Moonee Ponds [Member] AUD	Mar. 31, 2015 Burwood [Member] USD ($) acre	Mar. 31, 2015 Burwood [Member] AUD
Property, Plant and Equipment [Line Items]
Depreciation expense for property and equipment	$ 3,500,000	$ 3,500,000
Sales price				17,500,000	23,000,000	49,600,000	65,000,000
Carrying value of property	178,422,000		186,889,000	9,400,000	12,400,000	39,700,000	52,100,000
Area of property						50.6	50.6
Proceeds from the sale property						$ 5,900,000	6,500,000
Sale agreements, prepayment as a percentage of net sale price						90.00%	90.00%