XML 58 R45.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Segment Information, Nature of Operations, and Certain Concentrations - Depreciation and Amortization (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Consolidated depreciation and amortization | $ 19,463 | $ 21,992 | $ 20,818
Profit before taxes: |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Consolidated depreciation and amortization | 16,678 | 18,745 | 17,495
Profit before taxes: | Home Building | Mid Atlantic |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Consolidated depreciation and amortization | 6,183 | 6,806 | 7,069
Profit before taxes: | Home Building | North East |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Consolidated depreciation and amortization | 1,628 | 1,800 | 1,411
Profit before taxes: | Home Building | Mid East |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Consolidated depreciation and amortization | 4,259 | 4,969 | 4,348
Profit before taxes: | Home Building | South East |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Consolidated depreciation and amortization | 3,325 | 3,636 | 3,086
Profit before taxes: | Mortgage Banking |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Consolidated depreciation and amortization | 1,283 | 1,534 | 1,581
Other unallocated interest income |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Consolidated depreciation and amortization | $ 2,785 | $ 3,247 | $ 3,323

X
- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
Name: | us-gaap_DepreciationDepletionAndAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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=us-gaap_OperatingSegmentsMember
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: |

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

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