XML 67 R56.htm IDEA: XBRL DOCUMENT
v3.24.1.1.u2

Financial Guarantee Liability (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2024
Guarantees [Abstract] |
Summary of Provisions for Risk Sharing | The provisions for risk-sharing were included in “Operating, administrative and other” on the accompanying unaudited condensed consolidated statements of operations as follows (in thousands):
Balance, January 1, 2023 | $ | 27,729 |
Provision for expected credit losses | 2,634 |
Credit loss settlement | (1,812) |
Balance, December 31, 2023 | $ | 28,551 |
Provision for expected credit losses | 1,251 |
Balance, March 31, 2024 | $ | 29,802 |

X
- Definition Schedule of provision for risk sharing obligations. + References No definition available. + Details
Name: | nmrk_ScheduleOfProvisionForRiskSharingObligationsTableTextBlock
Namespace Prefix: | nmrk_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

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