XML 53 R43.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Segment Disclosures - Corporate Capital Allocation Charge (Detail) - Corporate and Reconciling Items - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Corporate capital allocation charge | $ 77,061 | $ 69,074
Home Building Segment | Mid Atlantic |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Corporate capital allocation charge | 33,919 | 33,179
Home Building Segment | North East |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Corporate capital allocation charge | 9,580 | 7,325
Home Building Segment | Mid East |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Corporate capital allocation charge | 9,865 | 9,660
Home Building Segment | South East |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |
Corporate capital allocation charge | $ 23,697 | $ 18,910

X
- Definition The corporate capital allocation charge is eliminated in consolidation and is based on the segment’s average net assets employed. + References No definition available. + Details
Name: | nvr_CorporateCapitalAllocationCharge
Namespace Prefix: | nvr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingOtherSignificantReconcilingItemLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ConsolidationItemsAxis=nvr_CorporateReconcilingItemsAndEliminationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=nvr_HomeBuildingSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=nvr_MidAtlanticMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=nvr_NorthEastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=nvr_MidEastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=nvr_SouthEastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |