Segment Information - Information by Business Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012	Jun. 30, 2013		Jun. 30, 2012	Dec. 31, 2012
Segment Reporting Information [Line Items]
Operating revenues	$ 33,788		$ 30,357	$ 60,561		$ 60,873
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	2,713		160	248		(60)
Assets	662,524			662,524			645,521
Real estate sales	6,980		5,078	15,036		19,132
Residential Real Estate
Segment Reporting Information [Line Items]
Operating revenues	5,511		4,245	13,292		7,990
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	(131)		(2,121)	164		(4,325)
Assets	144,528			144,528			141,526
Commercial Real Estate
Segment Reporting Information [Line Items]
Operating revenues	115		627	341		6,654
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	(725)		(697)	(1,401)		1,130
Assets	63,173			63,173			64,961
Rural land
Segment Reporting Information [Line Items]
Operating revenues	28		206	13		4,488
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	3		44	(17)		2,184
Assets	6,164			6,164			6,219
Resorts, leisure and leasing operations
Segment Reporting Information [Line Items]
Operating revenues	18,110	[1]	15,548	27,132	[1]	22,515
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	3,568		2,409	2,623		884
Assets	134,696			134,696			125,596
Real estate sales	1,100	[1]		1,100	[1]
Forestry
Segment Reporting Information [Line Items]
Operating revenues	9,755		9,731	19,450		19,226
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	3,814		3,140	7,339		5,900
Assets	52,154			52,154			53,839
Other
Segment Reporting Information [Line Items]
Operating revenues	269		0	333		0
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	(3,816)		(2,615)	(8,460)		(5,833)
Assets	$ 261,809			$ 261,809			$ 253,380

[1] Includes $1.1 million of real estate sales for the three and six months ended June 30, 2013.