Business Segments - Information Pertaining to Assets of Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Information pretaining to assets of the business segments
Identifiable Assets	$ 431,919	$ 431,923	$ 342,879
Depreciation and amortization	5,090	4,871	4,226
Capital Expenditures	28,048	24,775	21,558
Operating Segments | Real estate - commercial/industrial
Information pretaining to assets of the business segments
Identifiable Assets	67,550	67,640	47,593
Depreciation and amortization	469	645	717
Capital Expenditures	7,023	8,391	12,109
Operating Segments | Real estate - resort/residential
Information pretaining to assets of the business segments
Identifiable Assets	228,064	212,534	130,576
Depreciation and amortization	71	76	78
Capital Expenditures	16,404	10,214	2,957
Operating Segments | Mineral resources
Information pretaining to assets of the business segments
Identifiable Assets	46,025	47,434	48,633
Depreciation and amortization	1,501	1,351	0
Capital Expenditures	1,199	0	0
Operating Segments | Farming
Information pretaining to assets of the business segments
Identifiable Assets	32,542	34,464	31,925
Depreciation and amortization	929	1,633	1,465
Capital Expenditures	2,583	4,701	5,733
Operating Segments | Ranch operations
Information pretaining to assets of the business segments
Identifiable Assets	4,313	4,295	4,789
Depreciation and amortization	460	453	488
Capital Expenditures	299	561	187
Corporate
Information pretaining to assets of the business segments
Identifiable Assets	53,425	65,556	79,363
Depreciation and amortization	1,660	713	1,478
Capital Expenditures	$ 540	$ 908	$ 572