Segment Reporting (Details) Revenue (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Segment Reporting, Revenue Reconciling Item
Revenues	$ 61,276	$ 56,808
Total loss before income taxes	(15,691)	(17,559)
Water Resource and Water Storage Operations
Segment Reporting, Revenue Reconciling Item
Revenues	136	184
Total loss before income taxes	(1,985)	(2,141)
Real Estate Operations
Segment Reporting, Revenue Reconciling Item
Revenues	25,766	11,939
Total loss before income taxes	(6,277)	(711)
Agribusiness Operations
Segment Reporting, Revenue Reconciling Item
Revenues	34,867	39,565
Total loss before income taxes	(4,192)	(9,715)
Enterprise Software
Segment Reporting, Revenue Reconciling Item
Revenues		3,650
Total loss before income taxes		(1,150)
Corporate
Segment Reporting, Revenue Reconciling Item
Revenues	507	1,470
Total loss before income taxes	$ (3,237)	$ (3,842)