Summary of Significant Accounting Policies - Vineyards and Orchards (Details) (USD $)	3 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenue from External Customer [Line Items]
Farming revenue adjustments for differences between original estimates and actual revenues received			$ 4,132,000	$ 3,328,000	$ 2,668,000
Prior year amortization reclassification adjustment	0	1,014,000	815,000	708,000
Pistachios
Revenue from External Customer [Line Items]
Farming revenue adjustments for differences between original estimates and actual revenues received			1,458,000	1,326,000	1,676,000
Almonds
Revenue from External Customer [Line Items]
Farming revenue adjustments for differences between original estimates and actual revenues received			2,674,000	2,002,000	992,000
Hay sales - Centennial operations
Revenue from External Customer [Line Items]
Prior year amortization reclassification adjustment			$ 1,361,000	$ 928,000	$ 583,000