XML 92 R41.htm IDEA: XBRL DOCUMENT v2.4.1.9

Segment Information, Nature of Operations, and Certain Concentrations - Revenues (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Revenue Reconciling Item [Line Items]
Total consolidated revenues	$ 4,444,568us-gaap_Revenues	$ 4,211,267us-gaap_Revenues	$ 3,184,650us-gaap_Revenues
Homebuilding Mid Atlantic [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Revenues	2,617,108us-gaap_HomeBuildingRevenue / us-gaap_StatementBusinessSegmentsAxis = nvr_HomebuildingMidAtlanticMember	2,439,387us-gaap_HomeBuildingRevenue / us-gaap_StatementBusinessSegmentsAxis = nvr_HomebuildingMidAtlanticMember	1,877,905us-gaap_HomeBuildingRevenue / us-gaap_StatementBusinessSegmentsAxis = nvr_HomebuildingMidAtlanticMember
Homebuilding North East [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Revenues	376,862us-gaap_HomeBuildingRevenue / us-gaap_StatementBusinessSegmentsAxis = nvr_HomebuildingNorthEastMember	332,681us-gaap_HomeBuildingRevenue / us-gaap_StatementBusinessSegmentsAxis = nvr_HomebuildingNorthEastMember	278,715us-gaap_HomeBuildingRevenue / us-gaap_StatementBusinessSegmentsAxis = nvr_HomebuildingNorthEastMember
Homebuilding Mid East [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Revenues	892,513us-gaap_HomeBuildingRevenue / us-gaap_StatementBusinessSegmentsAxis = nvr_HomebuildingMidEastMember	908,198us-gaap_HomeBuildingRevenue / us-gaap_StatementBusinessSegmentsAxis = nvr_HomebuildingMidEastMember	630,367us-gaap_HomeBuildingRevenue / us-gaap_StatementBusinessSegmentsAxis = nvr_HomebuildingMidEastMember
Homebuilding South East [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Revenues	488,576us-gaap_HomeBuildingRevenue / us-gaap_StatementBusinessSegmentsAxis = nvr_HomebuildingSouthEastMember	454,215us-gaap_HomeBuildingRevenue / us-gaap_StatementBusinessSegmentsAxis = nvr_HomebuildingSouthEastMember	334,257us-gaap_HomeBuildingRevenue / us-gaap_StatementBusinessSegmentsAxis = nvr_HomebuildingSouthEastMember
Mortgage Banking [Member]
Segment Reporting Revenue Reconciling Item [Line Items]
Mortgage Banking	$ 69,509us-gaap_FeesAndCommissionsMortgageBanking / us-gaap_StatementBusinessSegmentsAxis = nvr_MortgageBankingOperationsMember	$ 76,786us-gaap_FeesAndCommissionsMortgageBanking / us-gaap_StatementBusinessSegmentsAxis = nvr_MortgageBankingOperationsMember	$ 63,406us-gaap_FeesAndCommissionsMortgageBanking / us-gaap_StatementBusinessSegmentsAxis = nvr_MortgageBankingOperationsMember

X

- Definition

The noninterest income derived from mortgage banking activities (fees and commissions), excluding fees earned from servicing third-party assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 13

-Article 9



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.13 (d))

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

+ Details

Name:	us-gaap_FeesAndCommissionsMortgageBanking
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Revenue related to the sale of homes and home building activities including design, development, general contracting, and renovation services for residential buildings, including single-family houses, multifamily housing, townhouses, apartments, and modular housing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(e))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

Name:	us-gaap_HomeBuildingRevenue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

Name:	us-gaap_Revenues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_SegmentReportingRevenueReconcilingItemLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=nvr_HomebuildingMidAtlanticMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=nvr_HomebuildingMidEastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=nvr_HomebuildingNorthEastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=nvr_HomebuildingSouthEastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=nvr_MortgageBankingOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: