Segment Information (Business Segment Reporting Information) (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Consolidated operating revenues	$ 25,284	$ 22,035	$ 98,720	$ 35,335
Consolidated loss from continuing operations before equity in loss of unconsolidated affiliates and income taxes	(20,273)	(14,719)	1,394	(32,355)
Total Assets	1,066,545		1,066,545		1,051,695
Residential Real Estate [Member]
Consolidated operating revenues	16,445	12,986	24,210	18,497
Consolidated loss from continuing operations before equity in loss of unconsolidated affiliates and income taxes	(6,308)	(7,156)	(15,154)	(18,400)
Total Assets	638,467		638,467		639,460
Commercial Real Estate [Member]
Consolidated operating revenues	598	59	895	447
Consolidated loss from continuing operations before equity in loss of unconsolidated affiliates and income taxes	(2,906)	(1,320)	(4,772)	(1,754)
Total Assets	78,387		78,387		72,581
Rural Land Sales [Member]
Consolidated operating revenues	75	1,186	2,825	2,172
Consolidated loss from continuing operations before equity in loss of unconsolidated affiliates and income taxes	(388)	710	1,897	401
Total Assets	7,894		7,894		7,964
Forestry [Member]
Consolidated operating revenues	8,166	7,804	70,790	14,219
Consolidated loss from continuing operations before equity in loss of unconsolidated affiliates and income taxes	1,753	2,162	54,497	3,632
Total Assets	58,468		58,468		61,756
Other [Member]
Consolidated loss from continuing operations before equity in loss of unconsolidated affiliates and income taxes	(12,424)	(9,115)	(35,074)	(16,234)
Total Assets	$ 283,329		$ 283,329		$ 269,934