Segment Information Information by Business Segment (Details) (USD $)	3 Months Ended			6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013	Jun. 30, 2014 Segment		Jun. 30, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Number of reportable operating segments				4
Operating revenues	$ 68,164,000		$ 33,788,000	$ 662,250,000		$ 60,561,000
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	23,310,000		2,713,000	533,212,000		248,000
Total assets	1,340,870,000			1,340,870,000			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	47,724,000		5,511,000	53,427,000		13,292,000
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	26,023,000		(131,000)	26,381,000		164,000
Total assets	130,967,000			130,967,000			141,097,000
Commercial real estate
Segment Reporting Information [Line Items]
Operating revenues	980,000		1,172,000	3,265,000		1,398,000
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	164,000		(188,000)	964,000		(864,000)
Total assets	63,036,000			63,036,000			62,924,000
Resorts, leisure and leasing operations
Segment Reporting Information [Line Items]
Operating revenues	18,196,000		17,053,000	26,397,000		26,075,000
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	2,657,000		3,031,000	964,000		2,086,000
Total assets	159,026,000	[1]		159,026,000	[1]		142,940,000	[1]
Forestry
Segment Reporting Information [Line Items]
Operating revenues	1,144,000		9,783,000	579,017,000		19,463,000
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	1,012,000		3,817,000	515,110,000		7,322,000
Total assets	20,295,000			20,295,000			60,889,000
Other
Segment Reporting Information [Line Items]
Operating revenues	120,000		269,000	144,000		333,000
Income (loss) before equity in loss from unconsolidated affiliates and income taxes:	(6,546,000)		(3,816,000)	(10,207,000)		(8,460,000)
Total assets	$ 967,546,000			$ 967,546,000			$ 261,622,000

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