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Contract Land Deposits
6 Months Ended
Jun. 30, 2011
Contract Land Deposits [Abstract]  
Contract Land Deposits
4. Contract Land Deposits
     As of June 30, 2011, NVR controlled approximately 49,100 lots with deposits in cash and letters of credit of $197,300 and $3,100, respectively. At December 31, 2010, NVR controlled approximately 50,400 lots with deposits in cash and letters of credit totaling approximately $174,300 and $6,600, respectively. During the three and six month periods ended June 30, 2011, the Company recognized a net pre-tax charge of approximately $2,700 and $4,100, respectively, related to the impairment of contract land deposits. During the three-month period ended June 30, 2010, the Company recognized a net pre-tax contract land deposit impairment charge of approximately $970 and for the six-month period recognized a net pre-tax recovery of approximately $950 of contract land deposits previously determined to be uncollectible. The contract land deposit asset is shown net of an approximate $68,100 and $73,500 impairment valuation allowance at June 30, 2011 and December 31, 2010, respectively.