XML 42 R32.htm IDEA: XBRL DOCUMENT v3.22.2
Variable Interest Entities ("VIEs") - Additional Information (Detail)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
USD ($)
lot
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
lot
Jun. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
Variable Interest Entity [Line Items]          
Letters of credit related to lots $ 8,077   $ 8,077    
Net Contract Land Deposit Impairment Recoveries 400 $ 7,200 6,300 $ 13,400  
Loss reserve on contract land deposits 23,516   23,516   $ 30,041
Contract land deposits in cash $ 547,914   $ 547,914   $ 527,180
Variable Interest Entities          
Variable Interest Entity [Line Items]          
Maximum range of deposits required under the purchase agreements 10.00%   10.00%    
Lots controlled by NVR | lot 127,700   127,700    
Contract land deposits in cash under lot purchase Agreements $ 541,400   $ 541,400    
Letters of credit related to lots $ 8,100   $ 8,100    
Contract on Raw Ground with Landowners          
Variable Interest Entity [Line Items]          
Lots controlled by NVR | lot 23,900   23,900    
Contract land deposits in cash $ 6,500   $ 6,500    
Refundable deposits and letters of credit $ 4,300   $ 4,300