XML 34 R23.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Joint Ventures (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2018
Consolidated Joint Venture [Member] |
Schedule of Equity Method Investments [Line Items] |
Condensed Balance Sheets | The condensed balance sheets as of June 30, 2018 and December 31, 2017 of the consolidated JV were as follows:
|  | June 30, 2018 |  | December 31, 2017
Assets: |  |  |  |
Cash |  | $ | 1,128 |  |  | $ | 1,069 |
Other assets |  | 37 |  |  | 37 |
Total assets |  | $ | 1,165 |  |  | $ | 1,106 |
Liabilities and equity: |  |  |  |  |  |
Accrued expenses |  | $ | 484 |  |  | $ | 487 |
Equity |  | 681 |  |  | 619 |
Total liabilities and equity |  | $ | 1,165 |  |  | $ | 1,106 |

X
- Definition Tabular disclosure of condensed balance sheet, including, but not limited to, balance sheets of consolidated entities and consolidation eliminations. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCondensedBalanceSheetTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
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_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ConsolidatedEntitiesAxis=nvr_ConsolidatedJointVentureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |