Net Gain on Land Held for Divestiture Activity (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Schedule of net gain loss on land held for divestiture [Abstract]
Sales of land held for divestiture		$ 1,184,000		$ 11,906,000
Cost of sales of land held for divestiture		(63,000)		(1,744,000)
Gain on extinguishment of debt of land held for divestiture		0		2,146,000
Net gain on land held for divestiture activity	$ 0	$ 1,121,000	$ 0	$ 12,308,000