Reporting Segments and Related Information - Revenue Components of Ranch Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenue from External Customer [Line Items]
Total revenues	$ 13,513	$ 9,657	$ 28,601	$ 29,265
Total expenses	14,340	12,125	33,974	34,160
Operating results	(306)	(2,155)	(3,144)	(3,856)
Ranch operations
Revenue from External Customer [Line Items]
Total revenues	944	876	2,483	2,570
Total expenses	1,164	1,260	3,748	4,003
Operating results	$ (220)	$ (384)	$ (1,265)	$ (1,433)