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Equity-Based Compensation, Profit Sharing and Deferred Compensation Plans - Summary of Equity-Based Compensation Plans with Grants Outstanding (Detail) | Dec. 31, 2015 shares
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1998 Management Long-Term Stock Option Plan [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Shares Authorized | 1,000,000 |
Options/RSUs Outstanding | 6,000 |
1998 Directors' Long-Term Stock Option Plan [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Shares Authorized | 150,000 |
Options/RSUs Outstanding | 8,000 |
2000 Broadly-Based Stock Option Plan [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Shares Authorized | 2,000,000 |
Options/RSUs Outstanding | 126,000 |
2010 Equity Incentive Plan [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Shares Authorized | 700,000 | [1]
Options/RSUs Outstanding | 359,000 | [1]
Shares Available to Issue | 39,000 | [1]
NVR, Inc. 2014 Equity Incentive Plan [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Shares Authorized | 950,000 | [2]
Options/RSUs Outstanding | 648,000 | [2]
Shares Available to Issue | 302,000 | [2]
[1] | During 2010, the Company’s shareholders approved the 2010 Equity Incentive Plan (the “2010 Plan”). The 2010 Plan authorizes the Company to issue Options and RSUs to key management employees, including executive officers and Board members. Of the 700 aggregate shares available to issue, up to 240 may be granted in the form of RSUs. There were 308 Options and 51 RSUs outstanding as of December 31, 2015. Of the 39 shares available to be issued under the 2010 Plan, 36 may be granted as RSUs.
[2] | During 2014, the Company’s shareholders approved the NVR, Inc. 2014 Equity Incentive Plan (the “2014 Plan”). The 2014 Plan authorizes the Company to issue Options to key management employees, including executive officers and Board members. Option grants under the 2014 Plan are generally divided such that vesting for 50% of the Option grant is solely contingent upon continued employment or continued service as a Director, while vesting for the remaining 50% of the Option grant is contingent upon both continued employment or service as a Director and the achievement of a performance metric. The performance metric is based on the Company’s return on capital performance during a specified three year period based on the date of Option grant, with the initial performance period being 2014 through 2016. Options granted under the 2014 Plan generally vest annually over four years in 25% increments beginning on December 31, 2016.

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- Definition Share based compensation arrangement by share based payment award options and restricted share units outstanding number. + References No definition available. + Details
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- 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
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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