Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Revenues:
Total revenues	$ 51,252		$ 45,338		$ 47,089
Costs and Expenses:
Total expenses	49,126		44,162		43,961
Operating income	2,126		1,176		3,128
Other Income:
Investment income	696		941		1,242
Interest expense	0		0		(12)
Other income	343		66		113
Total other income	1,039		1,007		1,343
Income from operations before equity in earnings of unconsolidated joint ventures	3,165		2,183		4,471
Equity in earnings of unconsolidated joint ventures, net	5,294		4,006		2,535
Income before income tax expense	8,459		6,189		7,006
Income tax expense	2,697		2,086		2,723
Net income	5,762		4,103		4,283
Net income/(loss) attributable to non-controlling interest	107		(62)		(158)
Net income attributable to common stockholders	5,655		4,165		4,441
Net income per share attributable to common stockholders, basic, in dollars per share	$ 0.27		$ 0.21		$ 0.22
Net income per share attributable to common stockholders, diluted, in dollars per share	$ 0.27		$ 0.20		$ 0.22
Real estate - commercial/industrial
Revenues:
Total revenues	11,379		11,148		9,941
Costs and Expenses:
Total expenses	13,204		12,902		12,271
Operating income	3,504		2,311		247
Other Income:
Equity in earnings of unconsolidated joint ventures, net	5,329		4,065		2,577
Real estate- resort/residential
Revenues:
Total revenues	183		338		0
Costs and Expenses:
Total expenses	2,608		2,231		3,697
Operating income	(2,460)		(1,952)		(3,739)
Mineral resources
Revenues:
Total revenues	16,255	[1]	10,242	[1]	14,012	[1]
Costs and Expenses:
Total expenses	6,418		1,277		1,042
Operating income	9,837	[1]	8,965	[1]	12,970	[1]
Farming
Revenues:
Total revenues	23,435		23,610		23,136
Costs and Expenses:
Total expenses	16,250		15,926		14,387
Operating income	7,185		7,684		8,749
Corporate expenses
Costs and Expenses:
Total expenses	$ 10,646		$ 11,826		$ 12,564

[1] During the fourth quarter of 2012, the Company evaluated its operations and determined that an additional segment should be reported, Mineral resources. Mineral resources collects royalty income from oil and gas leases, rock and aggregate leases, and from a cement company.