Reporting Segments and Related Information - Revenue Components of Ranch Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenue from External Customer [Line Items]
Total revenues	$ 5,702	$ 12,953
Income (loss)	(3,473)	352
Ranch operations
Revenue from External Customer [Line Items]
Income (loss)	(412)	(509)
Operating Segments | Ranch operations
Revenue from External Customer [Line Items]
Total revenues	1,081	838
Operating Segments | Ranch operations | Game management
Revenue from External Customer [Line Items]
Total revenues	301	310
Operating Segments | Ranch operations | Grazing
Revenue from External Customer [Line Items]
Total revenues	424	250
Operating Segments | Ranch operations | Filming and other
Revenue from External Customer [Line Items]
Total revenues	$ 356	$ 278