Lines Of Credit And Total Debt Obligations (Details) (USD $)	1 Months Ended	12 Months Ended
	Sep. 30, 2011	Dec. 31, 2011	Dec. 31, 2010
Lines Of Credit And Total Debt Obligations [Abstract]
Maximum aggregate commitment		$ 50,000,000
Prior maximum aggregate commitment	70,000,000
Mortgage repurchase facility		48,702,000	25,434,000
Line of Credit Facility, Interest Rate Description		Advances under the Mortgage Repurchase Facility carry a Pricing Rate equal to the greater of (i) the LIBOR Rate (as defined in the Mortgage Repurchase Facility) plus 2.5%, or (ii) 3.75%. At HomeAmerican's option, the Balance Funded Rate (equal to 3.75%) may be applied to advances under the Mortgage Repurchase Facility provided the applicable Buyer is holding sufficient Qualifying Balances. The foregoing terms are defined in the Mortgage Repurchase Facility.
Extinguishment of debt		537,700,000
Senior notes principal		500,000,000
Debt principal carrying amount		498,900,000
Loss on extinguishment of debt		$ (38,795,000)