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Commitments and Contingencies Commitments and Contingencies (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2012
homes
Commitments and Contingencies [Abstract]  
Letters of Credit and Completion Bonds $ 61,031
Outstanding Performance and Maintenance Bonds 19,163
Performance letters of credit outstanding 22,275
Financial Letters of Credit 9,817
Financial Letters of Credit representing deposits on land and lot purchase agreements 2,889
Financial Bonds 9,776
Number of Homes with Defective Drywall 93
Number of Drywall Homes That Have Been Repaired 88
Number of Drywall Homes In Process of Being Repaired 2
Defective drywall accrual 13,000
Remaining drywall accrual balance 754
Unrecorded Conditional Purchase Obligation $ 165,250