Segment Reporting (Details) Revenue (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Segment Reporting, Revenue Reconciling Item
Revenues	$ 106,786	$ 67,366	$ 268,800	$ 85,601
Total income (loss) before income taxes	10,846	(8,734)	(16,326)	(26,271)
Water Resource and Water Storage Operations
Segment Reporting, Revenue Reconciling Item
Revenues	510	1,089	25,542	2,900
Total income (loss) before income taxes	(1,799)	(1,559)	737	(4,537)
Real Estate Operations
Segment Reporting, Revenue Reconciling Item
Revenues	23,712	23,585	63,641	28,998
Total income (loss) before income taxes	(231)	2,237	(2,701)	(1,519)
Agribusiness Operations
Segment Reporting, Revenue Reconciling Item
Revenues	55,308	42,084	139,788	51,768
Total income (loss) before income taxes	(2,216)	(6,105)	(20,691)	(9,159)
Enterprise Software
Segment Reporting, Revenue Reconciling Item
Revenues	4,402		13,649
Total income (loss) before income taxes	(2,572)		(5,281)
Corporate
Segment Reporting, Revenue Reconciling Item
Revenues	22,854	608	26,180	1,935
Total income (loss) before income taxes	$ 17,664	$ (3,307)	$ 11,610	$ (11,056)