Investments	9 Months Ended
Sep. 30, 2020
Equity Method Investments and Joint Ventures [Abstract]
Investments	InvestmentsNewmark has a 27% ownership in Real Estate LP, a joint venture with Cantor in which Newmark has the ability to exert significant influence over the operating and financial policies. Accordingly, Newmark accounts for this investment under the equity method of accounting. During the three months ended September 30, 2020 and September 30, 2019, Newmark recognized equity (loss) income of $(7.4) million and $1.3 million, respectively, and $(11.6) million and $6.0 million and for the nine months ended September 30, 2020 and September 30, 2019, respectively. Newmark did not receive any distributions for the three and nine months ended September 30, 2019. Newmark received distributions of $8.6 million for the year ended December 31, 2019. The carrying value of these investments was $88.3 million and $100.0 million as of September 30, 2020 and December 31, 2019, respectively, and is included in “Other assets” on the accompanying unaudited condensed consolidated balance sheets. Investments Carried Under Measurement Alternatives Newmark has acquired investments in entities for which it does not have the ability to exert significant influence over operating and financial policies. For the nine months ended September 30, 2020, Newmark recorded an unrealized loss of $26.8 million related to these investments. Newmark did not record realized gains or losses related to these investments for the three months ended September 30, 2020. Newmark recorded an unrealized gain of $17.1 million and $21.0 million for the three and nine months ended September 30, 2019 respectively, as a result of changes in the fair value of its investments. Newmark did not record realized gains or losses for the three and nine months ended September 30, 2020 and 2019, respectively. The changes in value are included as a part of “Other income (loss), net” on the accompanying unaudited condensed consolidated statements of operations. The carrying value of these investments was $67.3 million and $94.1 million and is included in “Other assets” on the accompanying unaudited condensed consolidated balance sheets as of September 30, 2020 and December 31, 2019, respectively.

Investments

9 Months Ended

Sep. 30, 2020

Equity Method Investments and Joint Ventures [Abstract]

InvestmentsNewmark has a 27% ownership in Real Estate LP, a joint venture with Cantor in which Newmark has the ability to exert significant influence over the operating and financial policies. Accordingly, Newmark accounts for this investment under the equity method of accounting. During the three months ended September 30, 2020 and September 30, 2019, Newmark recognized equity (loss) income of $(7.4) million and $1.3 million, respectively, and $(11.6) million and $6.0 million and for the nine months ended September 30, 2020 and September 30, 2019, respectively. Newmark did not receive any distributions for the three and nine months ended September 30, 2019. Newmark received distributions of $8.6 million for the year ended December 31, 2019. The carrying value of these investments was $88.3 million and $100.0 million as of September 30, 2020 and December 31, 2019, respectively, and is included in “Other assets” on the accompanying unaudited condensed consolidated balance sheets.

Investments Carried Under Measurement Alternatives

Newmark has acquired investments in entities for which it does not have the ability to exert significant influence over operating and financial policies.

For the nine months ended September 30, 2020, Newmark recorded an unrealized loss of $26.8 million related to these investments. Newmark did not record realized gains or losses related to these investments for the three months ended September 30, 2020. Newmark recorded an unrealized gain of $17.1 million and $21.0 million for the three and nine months ended September 30, 2019 respectively, as a result of changes in the fair value of its investments. Newmark did not record realized gains or losses for the three and nine months ended September 30, 2020 and 2019, respectively. The changes in value are included as a part of “Other income (loss), net” on the accompanying unaudited condensed consolidated statements of operations. The carrying value of these investments was $67.3 million and $94.1 million and is included in “Other assets” on the accompanying unaudited condensed consolidated balance sheets as of September 30, 2020 and December 31, 2019, respectively.