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Cash and Restricted Cash Cash and Restricted Cash (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Restricted Cash and Cash Equivalents Items [Line Items]    
Homebuilding $ 27,914 $ 43,539
Financial services 16,383 16,254
Unrestricted cash and cash equivalents 44,297 59,793
Restricted cash 12,593 41,334
Total cash, cash equivalents and restricted cash 56,890 101,127
Security Owned and Pledged as Collateral, Fair Value   $ 25,000