Segment Reporting (Details) Revenue (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Segment Reporting, Revenue Reconciling Item
Revenues	$ 105,207	$ 12,550	$ 162,014	$ 18,235
Total loss before income taxes	(9,613)	(10,604)	(27,173)	(17,537)
Water Resource and Water Storage Operations
Segment Reporting, Revenue Reconciling Item
Revenues	24,848	355	25,032	1,811
Total loss before income taxes	4,677	(1,817)	2,536	(2,979)
Real Estate Operations
Segment Reporting, Revenue Reconciling Item
Revenues	27,991	1,589	39,930	5,413
Total loss before income taxes	(1,758)	(2,411)	(2,470)	(3,756)
Agribusiness Operations
Segment Reporting, Revenue Reconciling Item
Revenues	44,914	9,658	84,479	9,684
Total loss before income taxes	(8,760)	(2,528)	(18,475)	(3,054)
Enterprise Software
Segment Reporting, Revenue Reconciling Item
Revenues	5,597		9,247
Total loss before income taxes	(1,559)		(2,709)
Corporate
Segment Reporting, Revenue Reconciling Item
Revenues	1,857	948	3,326	1,327
Total loss before income taxes	$ (2,213)	$ (3,848)	$ (6,055)	$ (7,748)