v3.25.2
Variable Interest Entities ("VIEs") - Additional Information (Detail)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
USD ($)
lot
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
lot
Jun. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Variable Interest Entity [Line Items]          
Letters of credit related to lots $ 4,202   $ 4,202    
Net Contract Land Deposit Impairment Recoveries (13,200) $ (1,300) (21,300) $ (8,800)  
Loss reserve on contract land deposits 76,393   76,393   $ 58,597
Contract land deposits in cash $ 914,238   914,238   785,272
Contingent obligations in the form of letters of credit         8,722
Contract land deposit impairments (recoveries), net     $ 21,270 $ (8,791)  
Contingent obligations in the form of letters of credit         $ 8,722
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 162,100   162,100    
Contract land deposits in cash under lot purchase Agreements $ 881,900   $ 881,900    
Letters of credit related to lots $ 4,200   $ 4,200    
Contract on Raw Ground with Landowners          
Variable Interest Entity [Line Items]          
Lots controlled by NVR | lot 39,600   39,600    
Contract land deposits in cash $ 32,400   $ 32,400    
Refundable deposits and letters of credit $ 9,600   $ 9,600