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Variable Interest Entities - Additional Information (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 USD ($) lot | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Variable Interest Entity [Line Items] |  |  |
Maximum range of deposits required under the purchase agreements | 10.00% |  |
Net Contract Land Deposit Impairment Recoveries | $ (2,900) | $ 27,500 | $ (22,100)
Contract Land Deposits | $ 629,948 | $ 553,140 |
Variable Interest Entities |  |  |
Variable Interest Entity [Line Items] |  |  |
Maximum range of deposits required under the purchase agreements | 10.00% |  |
Lots controlled by NVR | lot | 134,900 |  |
Contract land deposits in cash under Lot Purchase Agreements | $ 617,000 |  |
Letters of credit related to lots | $ 7,700 |  |
Contract on Raw Ground with Landowners |  |  |
Variable Interest Entity [Line Items] |  |  |
Lots controlled by NVR | lot | 22,700 |  |
Refundable deposits | $ 3,800 |  |
Contract Land Deposits | $ 13,000 |  |

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