XML 86 R75.htm IDEA: XBRL DOCUMENT
v3.25.3

Loans Held for Sale, at Fair Value - Fair Value Adjustments on Loans Held for Sale (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Accounts and Financing Receivables, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance [Abstract] |  |  |  |
Interest income on loans held for sale | $ 14,116 | $ 9,941 | $ 31,414 | $ 22,756
Gains (losses) recognized on change in fair value on loans held for sale | $ (7,105) | $ 13,881 | $ 32,088 | $ 29,937

X
- Definition Gains (losses) recognized on change in fair value on loans held for sale. + References No definition available. + Details
Name: | nmrk_GainsLossesRecognizedForChangeInFairValueOnLoansHeldForSale
Namespace Prefix: | nmrk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Interest and fee income from mortgage loans considered to be held-for-sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
Name: | us-gaap_InterestAndFeeIncomeLoansHeldForSaleMortgages
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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