Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Deferred tax asset, valuation allowance	$ 39,697	$ 248,306
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, shares issued	48,869,726	48,698,757
Common stock, shares outstanding	48,869,726	48,698,757
Homebuilding [Member]
Deferred tax asset, valuation allowance	$ 39,697	$ 248,306