XML 36 R21.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Mortgage Loan Loss Allowance | 12 Months Ended
--- | ---
Dec. 31, 2016
Text Block [Abstract] |
Mortgage Loan Loss Allowance |
15. | Mortgage Loan Loss Allowance
During the years ended December 31, 2016, 2015 and 2014, the Company recognized pre-tax charges for loan losses related to mortgage loans sold of approximately $2,000, $2,700 and $2,400, respectively. Included in the Mortgage Banking segment’s “Accounts payable and other liabilities” line item on the accompanying consolidated balance sheets is a mortgage loan loss allowance equal to approximately $12,700 and $12,300 at December 31, 2016 and 2015, respectively.

X
- Definition Mortgage loans at fair value disclosure. + References No definition available. + Details
Name: | nvr_MortgageLoansAtFairValueDisclosureTextBlock
Namespace Prefix: | nvr_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration