Nature of Operations and Significant Accounting Policies (Details) Real Estate, Receivables, Operating Costs and Income Taxes (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Notes and Other Receivables:
Notes and other receivables, minimum term (in years)	3 years
Notes and other receivables, maximum term (in years)	10 years
Installment notes interest rates, minimum	8.00%
Installment notes interest rates, maximum	10.00%
Real Estate and Water Assets:
Real estate held-for-sale	$ 8,600,000	$ 2,900,000
Inventory, Net [Abstract]
General and administrative costs in inventory, amount incurred	17,500,000	7,300,000
General and administrative costs in inventory, amount remaining	808,000	1,200,000
Inventory	7,800,000	8,100,000
Cost of Canola Oil and Meal Sold [Abstract]
Cost of canola oil and meal sold	190,700,000	84,831,000
Provision for Income Taxes:
Interest expense related to uncertain tax positions	0
Provision (benefit) for federal, foreign, and state income taxes	3,197,000	(1,069,000)	22,151,000
Effective income tax rate	13.00%	(4.00%)	64.00%
Statutory income tax rate	35.00%
Nevada Land and Resource Company
Notes and Other Receivables:
Provision for bad debts			834,000
Maximum
Provision for Income Taxes:
Likelihood uncertain tax percentage will be sustained	50.00%
Spigit
Provision for Income Taxes:
Provision (benefit) for federal, foreign, and state income taxes	4,100,000
Reclassification of Labor and Overhead to Canola Oil and Meal Sold | Scenario, Previously Reported
Cost of Canola Oil and Meal Sold [Abstract]
Cost of canola oil and meal sold		7,300,000
Operating Expense
Inventory, Net [Abstract]
Current year financial statements, amount		4,100,000
Reduced Depreciation
Inventory, Net [Abstract]
Current year financial statements, amount		$ 3,200,000