v3.26.1
Related Parties and Parties-In-Interest (Details) - EBP 333 - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
EBP, Related Party and Party-in-Interest Transactions [Line Items]    
Plan's interest in master trust, at fair value $ 1,129,584 $ 1,012,619
EBP, Other Related Party and Party-in-Interest    
EBP, Related Party and Party-in-Interest Transactions [Line Items]    
Total investments in the Master Trust $ 799,261 $ 655,195
Investment, number of shares (in shares) 30,144 30,391
NVR, Inc common stock | EBP, Other Related Party and Party-in-Interest    
EBP, Related Party and Party-in-Interest Transactions [Line Items]    
Plan's interest in master trust, at fair value $ 219,834 $ 252,978