Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	25,000,000	25,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock par value	$ 0.01	$ 0.01
Common stock shares authorized	250,000,000	250,000,000
Common stock issued	48,698,757	48,017,108
Common stock outstanding	48,698,757	47,957,196
Treasury stock shares	0	59,912
Homebuilding [Member]
Deferred tax asset, valuation allowance	$ 248,306	$ 281,178