ESTIMATED DEVELOPMENT LIABILITY FOR SOLD LAND (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
ESTIMATED DEVELOPMENT LIABILITY FOR SOLD LAND [Abstract]
Gross estimated unexpended costs	$ 35,879	$ 37,106
Less costs relating to unsold home sites	(2,905)	(3,062)
Estimated development liability for sold land	32,974	34,044
Charges related to estimated liability for sold land	$ 88	$ (794)	$ 291