Summary of Significant Accounting Policies - Vineyards and Orchards (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenue from External Customer [Line Items]
Farming revenue adjustments for differences between original estimates and actual revenues received	$ 3,531	$ 4,132	$ 3,328
Almonds
Revenue from External Customer [Line Items]
Farming revenue adjustments for differences between original estimates and actual revenues received	1,260	1,458	1,326
Pistachios
Revenue from External Customer [Line Items]
Farming revenue adjustments for differences between original estimates and actual revenues received	$ 2,271	$ 2,674	$ 2,002