Reporting Segments and Related Information - Additional Information (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($) a field	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) a segment field	Jun. 30, 2017 USD ($)
Revenue from External Customer [Line Items]
Number of reportable segments | segment			5
Segment losses	$ 7,419,000	$ 8,018,000	$ 19,343,000	$ 17,282,000
Real estate - resort/residential
Revenue from External Customer [Line Items]
Total revenues			0
Segment losses	433,000	500,000	848,000	1,130,000
Ranch operations
Revenue from External Customer [Line Items]
Total revenues	839,000	860,000	1,828,000	1,941,000
Ranch operations | High Desert Hunt Club
Revenue from External Customer [Line Items]
Total revenues	$ 17,000	$ 24,000	$ 183,000	$ 190,000
Area of land | a	6,400		6,400
Number of hunting fields | field	35		35