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Land Under Development
12 Months Ended
Dec. 31, 2011
Land Under Development [Abstract]  
Land Under Development
4. Land Under Development

As of December 31, 2011, NVR directly owned three separate raw parcels of land with a carrying value of $78,045 that it intends to develop into approximately 800 finished lots for use in its homebuilding operations. All of the raw parcels are located in the Washington, D.C. metropolitan area and none of them had any indicators of impairment as of December 31, 2011. Based on current market conditions, NVR may, on a very limited basis, directly acquire additional raw parcels to develop into finished lots. As of December 31, 2010, NVR directly owned four separate raw parcels of land with a carrying value of approximately $78,000 and expected to produce approximately 890 finished lots.