Reporting Segments and Related Information - Additional Information (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2018 USD ($) a field	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) a segment field	Sep. 30, 2017 USD ($)
Revenue from External Customer [Line Items]
Number of reportable segments | segment			5
Segment losses	$ 12,717,000	$ 13,411,000	$ 32,060,000	$ 30,693,000
Real estate - resort/residential
Revenue from External Customer [Line Items]
Total revenues			0
Segment losses	471,000	271,000	1,319,000	1,401,000
Ranch operations
Revenue from External Customer [Line Items]
Total revenues	796,000	868,000	2,624,000	2,809,000
Ranch operations | High Desert Hunt Club
Revenue from External Customer [Line Items]
Total revenues	$ 0	$ 0	$ 183,000	$ 0
Area of land | a	6,400		6,400
Number of hunting fields | field	35		35