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Variable Interest Entities - Additional Information (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 USD ($) lot | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Variable Interest Entity [Line Items] |  |  |
Maximum range of deposits required under the purchase agreements | 10.00% |  |
Net Contract Land Deposit Impairment Charges (Recoveries) | $ 7,200 | $ (2,900) | $ 27,500
Contract Land Deposits | $ 785,272 | $ 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 | 155,000 |  |
Contract land deposits in cash under Lot Purchase Agreements | $ 764,900 |  |
Letters of credit related to lots | $ 8,700 |  |
Contract on Raw Ground with Landowners |  |  |
Variable Interest Entity [Line Items] |  |  |
Lots controlled by NVR | lot | 35,900 |  |
Refundable deposits | $ 8,400 |  |
Contract Land Deposits | $ 20,400 |  |

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- Definition The gross amount as of the balance sheet date of deposits paid to secure the right to purchase finished lots under lot purchase agreements. + References No definition available. + Details
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