Commitments And Contingencies (Details)							0 Months Ended					12 Months Ended
	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2013 Rialto Distribution [Member] USD ($)	Dec. 31, 2013 Rialto Distribution [Member] NZD	Dec. 31, 2012 Rialto Distribution [Member] USD ($)	Dec. 31, 2012 Rialto Distribution [Member] NZD	Oct. 26, 2011 IRS [Member] USD ($)	Jan. 06, 2011 IRS [Member] USD ($)	Dec. 31, 2013 IRS [Member] USD ($)	Dec. 31, 2012 IRS [Member] USD ($)	Dec. 31, 2013 State [Member] USD ($)	Dec. 31, 2013 Burwood Land [Member] USD ($) acre	Dec. 31, 2013 Burwood Land [Member] AUD acre	May 31, 2010 Burwood Land [Member] acre
Commitments And Contingencies [Line Items]
Ownership percentage in equity method investment			33.30%	33.30%
Line of credit facility			$ 1,600,000	2,000,000	$ 1,700,000	2,000,000
Line of credit facility, amount outstanding			634,000	770,000	703,000	850,000
Percentage of claim adjustment conceded to income								70.00%
Unpaid tax of wholly owned subsidiary								20,900,000
Income tax obligation								5,400,000
Reduction of income tax obligation, income tax refund								800,000
Increase in income tax obligation, interest expense								9,300,000
Total federal tax liability								13,900,000
Monthly income tax liability Payment							290,000
Period of monthly income tax liability payments							5 years
Taxes and interest payable	8,300,000	10,000,000
Current taxes payable									3,500,000	3,500,000
Possible obligation											1,400,000
Area of property												50.6	50.6	50.6
Estimated costs associated with removal of contaminated soil												15,200,000	17,100,000
Incurred costs associated with removal of contaminated soil												$ 7,400,000	8,300,000