Reporting Segments and Related Information - Revenue Components of Ranch Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenue from External Customer [Line Items]
Total revenues	$ 6,365	$ 6,849	$ 12,067	$ 19,802
Income (loss)	(1,833)	(2,950)	(5,306)	(2,598)
Ranch operations
Revenue from External Customer [Line Items]
Income (loss)	(601)	(541)	(1,013)	(1,050)
Ranch operations | Operating Segments
Revenue from External Customer [Line Items]
Total revenues	860	1,001	1,941	1,839
Ranch operations | Operating Segments | Game management
Revenue from External Customer [Line Items]
Total revenues	277	373	578	852
Ranch operations | Operating Segments | Grazing
Revenue from External Customer [Line Items]
Total revenues	474	523	898	773
Ranch operations | Operating Segments | Filming and other
Revenue from External Customer [Line Items]
Total revenues	$ 109	$ 105	$ 465	$ 214