XML 62 R51.htm IDEA: XBRL DOCUMENT
v3.21.1

Gains from Mortgage Banking Activities/Originations, Net (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2021
Mortgage Banking [Abstract] |
Summary of gains from mortgage banking activities, net | Gains from mortgage banking activities/originations, net consists of the following activity (in thousands):
|  | Three Months Ended March 31,
|  | 2021 |  | 2020 |  |
Fair value of expected net future cash flows from servicing recognized at commitment, net |  | $ | 28,716 |  | $ | 29,347 |  |
Loan originations related fees and sales premiums, net |  | 18,677 |  |  | 21,075 |  |  |
Total |  | $ | 47,393 |  |  | $ | 50,422 |  |  |

X
- Definition Summary of gains from mortgage banking activities, net. + References No definition available. + Details
Name: | nmrk_SummaryOfGainsFromMortgageBankingActivitiesNetTableTextBlock
Namespace Prefix: | nmrk_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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