Segment Information Information by Business Segment (Details) (USD $)	3 Months Ended			9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013	Sep. 30, 2014 Segment		Sep. 30, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Number of reportable operating segments				4
Operating revenues	$ 23,947,000		$ 36,827,000	$ 686,197,000		$ 97,388,000
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	(531,000)		4,360,000	532,682,000		4,607,000
Total assets	1,318,850,000			1,318,850,000			669,472,000
Equity method investments	2,400,000			2,400,000			2,200,000
Residential real estate
Segment Reporting Information [Line Items]
Operating revenues	3,651,000		10,704,000	57,078,000		23,996,000
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	(77,000)		2,432,000	26,303,000		2,596,000
Total assets	130,954,000			130,954,000			141,097,000
Commercial real estate
Segment Reporting Information [Line Items]
Operating revenues	0		2,083,000	3,265,000		3,480,000
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	(552,000)		686,000	413,000		(178,000)
Total assets	63,175,000			63,175,000			62,924,000
Resorts, leisure and leasing operations
Segment Reporting Information [Line Items]
Operating revenues	18,976,000		16,309,000	45,373,000		42,384,000
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	1,998,000		1,994,000	2,962,000		4,081,000
Total assets	159,842,000	[1]		159,842,000	[1]		142,940,000	[1]
Forestry
Segment Reporting Information [Line Items]
Operating revenues	1,061,000		7,713,000	580,236,000		27,177,000
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	1,034,000		2,755,000	516,144,000		10,077,000
Total assets	20,453,000			20,453,000			60,889,000
Other
Segment Reporting Information [Line Items]
Operating revenues	259,000		18,000	245,000		351,000
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	(2,934,000)		(3,507,000)	(13,140,000)		(11,969,000)
Total assets	$ 944,426,000			$ 944,426,000			$ 261,622,000

[1] Includes $2.4 million and $2.2 million of investment in equity method investees at September 30, 2014 and December 31, 2013, respectively.