Segment Reporting (Details) Revenue (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Segment Reporting, Revenue Reconciling Item
Revenues	$ 56,808	$ 5,685
Loss before income taxes	(17,559)	(6,933)
Water Resource and Water Storage Operations
Segment Reporting, Revenue Reconciling Item
Revenues	184	1,455
Loss before income taxes	(2,141)	(1,161)
Real Estate Operations
Segment Reporting, Revenue Reconciling Item
Revenues	11,939	3,824
Loss before income taxes	(711)	(1,345)
Agribusiness Operations
Segment Reporting, Revenue Reconciling Item
Revenues	39,565	27
Loss before income taxes	(9,715)	(526)
Enterprise Software
Segment Reporting, Revenue Reconciling Item
Revenues	3,650
Loss before income taxes	(1,150)
Corporate
Segment Reporting, Revenue Reconciling Item
Revenues	1,470	379
Loss before income taxes	$ (3,842)	$ (3,901)