Variable Interest Entities ("VIEs") - Additional Information (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) lot	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)
Variable Interest Entity [Line Items]
Net Contract Land Deposit Impairment Recoveries	$ 7,500	$ 3,100
Loss reserve on contract land deposits	45,932		$ 53,397
Contract land deposits in cash	$ 655,339		$ 629,948
Variable Interest Entities
Variable Interest Entity [Line Items]
Maximum range of deposits required under the purchase agreements	10.00%
Lots controlled by NVR | lot	135,800
Contract land deposits in cash under lot purchase Agreements	$ 641,300
Letters of credit related to lots	$ 10,000
Contract on Raw Ground with Landowners
Variable Interest Entity [Line Items]
Lots controlled by NVR | lot	22,400
Contract land deposits in cash	$ 14,100
Refundable deposits and letters of credit	$ 3,300