Summary of Significant Accounting Policies - Property and Equipment (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) acre ft	Dec. 31, 2016 USD ($)	Dec. 31, 2013 acre ft
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 97,259	$ 94,209
Less: accumulated depreciation	(51,927)	(48,175)
Property and equipment, net	$ 45,332	46,034
DMB Pacific LLC | Transferable water
Property, Plant and Equipment [Line Items]
Long-term water assets (Volume) | acre ft	6,693		6,693
Vineyards and orchards
Property, Plant and Equipment [Line Items]
Property and equipment useful life	20 years
Property and equipment, gross	$ 52,667	49,210
Machinery, furniture fixtures and other equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 21,320	19,807
Machinery, furniture fixtures and other equipment | Minimum
Property, Plant and Equipment [Line Items]
Property and equipment useful life	3 years
Machinery, furniture fixtures and other equipment | Maximum
Property, Plant and Equipment [Line Items]
Property and equipment useful life	10 years
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 8,850	8,828
Buildings and improvements | Minimum
Property, Plant and Equipment [Line Items]
Property and equipment useful life	10 years
Buildings and improvements | Maximum
Property, Plant and Equipment [Line Items]
Property and equipment useful life	27 years 6 months
Land and land improvements
Property, Plant and Equipment [Line Items]
Property and equipment useful life	15 years
Property and equipment, gross	$ 7,822	7,456
Development in process
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 6,600	$ 8,908