Description Of Business And Basis Of Presentation (Narrative) (Details) (USD $)	3 Months Ended			9 Months Ended
	Sep. 30, 2011	Mar. 31, 2011	Sep. 30, 2010	Sep. 30, 2011 years A months	Sep. 30, 2010	Dec. 31, 2010
Description Of Business And Basis Of Presentation [Line Items]
Land owned (acres)				573,000
Minimum projected price appreciation over time				0.00%
Maximum projected price appreciation over time				7.00%
Properties for long range development plans, in years				35
Carrying value of one development property						$ 23,000,000
Undiscounted cash flows, as a percentage of carrying value						110.00%
Timber deed sale agreement, value		55,900,000
Percentage of buyer first thinnings at fair market value		85.00%
Purchase price of first thinnings	100,000			700,000
Timber deed revenue	8,186,000		6,817,000	78,976,000	21,036,000
Maximum [Member]
Description Of Business And Basis Of Presentation [Line Items]
Length of the estimated development and selling periods				17
Maximum [Member] | Timber Deed [Member]
Description Of Business And Basis Of Presentation [Line Items]
Timber deed sale agreement, term (years)		20
Minimum [Member]
Description Of Business And Basis Of Presentation [Line Items]
Length of the estimated development and selling periods				5
Timber Deed [Member]
Description Of Business And Basis Of Presentation [Line Items]
Timber deed land owned		40,975
Timber deed revenue				54,500,000
Imputed land lease revenue				$ 1,400,000