REAL ESTATE REVENUES (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Components of real estate revenues [Line Items]
Real estate revenues	$ 106,161	$ 87,583	$ 57,259
Realized pretax profits (losses) on revenues from sales of commercial, industrial and other land	8,014	3,632
Purchase money note received for sale of interest in proposed development				4,208
Loss on sale of property				3,800
Note receivable discount				1,291
Active Adult Communities [Member]
Components of real estate revenues [Line Items]
Real estate revenues	43,032	39,934	36,949
Primary Residential [Member]
Components of real estate revenues [Line Items]
Real estate revenues	35,936	15,272	14,209
Commercial, Industrial and Other Land Sales [Member]
Components of real estate revenues [Line Items]
Real estate revenues	26,595	31,731	4,712
Realized pretax profits (losses) on revenues from sales of commercial, industrial and other land			3,717
Other Real Estate Operations [Member]
Components of real estate revenues [Line Items]
Real estate revenues	$ 598	$ 646	$ 1,389