Cash and Restricted Cash Cash and Restricted Cash (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Jan. 31, 2012	Dec. 31, 2011
Cash, Cash Equivalents and Restricted Cash [Abstract]
Homebuilding	$ 141,043		$ 43,539
Financial services	18,722		16,254
Unrestricted cash and cash equivalents	159,765		59,793
Restricted cash	8,980		41,334
Total cash, cash equivalents and restricted cash	168,745		101,127
Number of Secured Letters of Credit Outstanding under Credit Facility	3
Security Owned and Pledged as Collateral, Fair Value		$ 25,000

- Definition

The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations.

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