XML 61 R46.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Segment Information, Nature of Operations, and Certain Concentrations - Expenditures for Property and Equipment (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Segment Reporting Other Significant Reconciling Item [Line Items] |  |  |
Consolidated expenditures for property and equipment | $ 22,369 | $ 18,277 | $ 31,672
Operating Segments [Member] |  |  |
Segment Reporting Other Significant Reconciling Item [Line Items] |  |  |
Consolidated expenditures for property and equipment | 20,608 | 16,299 | 24,392
Operating Segments [Member] | Homebuilding [Member] | Mid Atlantic [Member] |  |  |
Segment Reporting Other Significant Reconciling Item [Line Items] |  |  |
Consolidated expenditures for property and equipment | 8,838 | 8,287 | 9,047
Operating Segments [Member] | Homebuilding [Member] | North East [Member] |  |  |
Segment Reporting Other Significant Reconciling Item [Line Items] |  |  |
Consolidated expenditures for property and equipment | 3,423 | 2,220 | 2,311
Operating Segments [Member] | Homebuilding [Member] | Mid East [Member] |  |  |
Segment Reporting Other Significant Reconciling Item [Line Items] |  |  |
Consolidated expenditures for property and equipment | 4,027 | 3,774 | 6,982
Operating Segments [Member] | Homebuilding [Member] | South East [Member] |  |  |
Segment Reporting Other Significant Reconciling Item [Line Items] |  |  |
Consolidated expenditures for property and equipment | 3,594 | 1,753 | 3,472
Operating Segments [Member] | Mortgage Banking [Member] |  |  |
Segment Reporting Other Significant Reconciling Item [Line Items] |  |  |
Consolidated expenditures for property and equipment | 726 | 265 | 2,580
Consolidation adjustments and other [Member] |  |  |
Segment Reporting Other Significant Reconciling Item [Line Items] |  |  |
Consolidated expenditures for property and equipment | $ 1,761 | $ 1,978 | $ 7,280

X
- Definition Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAdditions
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: | us-gaap_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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

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