{"cik":1690680,"taxonomy":"us-gaap","tag":"IncreaseDecreaseInAccountsReceivable","label":"Increase (Decrease) in Accounts Receivable","description":"The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.","entityName":"NEWMARK GROUP, INC.","units":{"USD":[{"start":"2016-01-01","end":"2016-12-31","val":-9462000,"accn":"0001564590-19-008054","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-15","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-4340000,"accn":"0001564590-18-013621","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-15","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":21844000,"accn":"0001564590-18-021725","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-14"},{"start":"2017-01-01","end":"2017-09-30","val":35709000,"accn":"0001564590-18-029398","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-14"},{"start":"2017-01-01","end":"2017-12-31","val":57175000,"accn":"0001564590-19-008054","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-15"},{"start":"2017-01-01","end":"2017-12-31","val":57175000,"accn":"0001690680-20-000012","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-28","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":19374000,"accn":"0001564590-18-013621","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-15"},{"start":"2018-01-01","end":"2018-03-31","val":19374000,"accn":"0001564590-19-018154","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":44487000,"accn":"0001564590-18-021725","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-14"},{"start":"2018-01-01","end":"2018-06-30","val":44487000,"accn":"0001564590-19-030941","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2018-01-01","end":"2018-09-30","val":67253000,"accn":"0001564590-18-029398","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-14"},{"start":"2018-01-01","end":"2018-09-30","val":67253000,"accn":"0001564590-19-042001","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-08"},{"start":"2018-01-01","end":"2018-12-31","val":129490000,"accn":"0001564590-19-008054","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-15"},{"start":"2018-01-01","end":"2018-12-31","val":129490000,"accn":"0001690680-20-000012","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-28"},{"start":"2018-01-01","end":"2018-12-31","val":129490000,"accn":"0001690680-21-000013","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-01","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-4709000,"accn":"0001564590-19-018154","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-10"},{"start":"2019-01-01","end":"2019-03-31","val":-4709000,"accn":"0001690680-20-000019","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-11","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":14877000,"accn":"0001564590-19-030941","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-09"},{"start":"2019-01-01","end":"2019-06-30","val":14877000,"accn":"0001690680-20-000030","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-07"},{"start":"2019-01-01","end":"2019-09-30","val":24293000,"accn":"0001564590-19-042001","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-08"},{"start":"2019-01-01","end":"2019-09-30","val":24293000,"accn":"0001690680-20-000038","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-06"},{"start":"2019-01-01","end":"2019-12-31","val":52021000,"accn":"0001690680-20-000012","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-28"},{"start":"2019-01-01","end":"2019-12-31","val":52021000,"accn":"0001690680-21-000013","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-01"},{"start":"2019-01-01","end":"2019-12-31","val":52021000,"accn":"0001690680-22-000011","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-01","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-62000000,"accn":"0001690680-20-000019","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-11"},{"start":"2020-01-01","end":"2020-03-31","val":-62000000,"accn":"0001690680-21-000024","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-98188000,"accn":"0001690680-20-000030","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-07"},{"start":"2020-01-01","end":"2020-06-30","val":-98188000,"accn":"0001690680-21-000038","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-09"},{"start":"2020-01-01","end":"2020-09-30","val":-120729000,"accn":"0001690680-20-000038","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-06"},{"start":"2020-01-01","end":"2020-09-30","val":-120729000,"accn":"0001690680-21-000048","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-09"},{"start":"2020-01-01","end":"2020-12-31","val":-123743000,"accn":"0001690680-21-000013","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-01"},{"start":"2020-01-01","end":"2020-12-31","val":-123743000,"accn":"0001690680-22-000011","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-01"},{"start":"2020-01-01","end":"2020-12-31","val":-123743000,"accn":"0001690680-23-000018","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-16","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":15154000,"accn":"0001690680-21-000024","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-07"},{"start":"2021-01-01","end":"2021-03-31","val":15154000,"accn":"0001690680-22-000018","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-09","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":31230000,"accn":"0001690680-21-000038","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-09"},{"start":"2021-01-01","end":"2021-06-30","val":31230000,"accn":"0001690680-22-000035","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-08"},{"start":"2021-01-01","end":"2021-09-30","val":135300000,"accn":"0001690680-21-000048","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-09"},{"start":"2021-01-01","end":"2021-09-30","val":135300000,"accn":"0001690680-22-000045","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-07"},{"start":"2021-01-01","end":"2021-12-31","val":191271000,"accn":"0001690680-22-000011","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-01"},{"start":"2021-01-01","end":"2021-12-31","val":191271000,"accn":"0001690680-23-000018","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-16"},{"start":"2021-01-01","end":"2021-12-31","val":191271000,"accn":"0001690680-24-000006","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-29","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-36663000,"accn":"0001690680-22-000018","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-09"},{"start":"2022-01-01","end":"2022-03-31","val":-36663000,"accn":"0001690680-23-000024","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-09","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-50056000,"accn":"0001690680-22-000035","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-08"},{"start":"2022-01-01","end":"2022-06-30","val":-50056000,"accn":"0001690680-23-000033","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-09"},{"start":"2022-01-01","end":"2022-09-30","val":-59518000,"accn":"0001690680-22-000045","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-07"},{"start":"2022-01-01","end":"2022-09-30","val":-59518000,"accn":"0001690680-23-000039","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-09"},{"start":"2022-01-01","end":"2022-12-31","val":-42444000,"accn":"0001690680-23-000018","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-16"},{"start":"2022-01-01","end":"2022-12-31","val":-42444000,"accn":"0001690680-24-000006","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-29"},{"start":"2022-01-01","end":"2022-12-31","val":-42444000,"accn":"0001628280-25-009332","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-03","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-25029000,"accn":"0001690680-23-000024","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-09"},{"start":"2023-01-01","end":"2023-03-31","val":-25029000,"accn":"0001690680-24-000015","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-10","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":-19679000,"accn":"0001690680-23-000033","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-09"},{"start":"2023-01-01","end":"2023-06-30","val":-19679000,"accn":"0001690680-24-000025","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-08"},{"start":"2023-01-01","end":"2023-09-30","val":-23444000,"accn":"0001690680-23-000039","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-09"},{"start":"2023-01-01","end":"2023-09-30","val":-23444000,"accn":"0001690680-24-000031","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-11-08"},{"start":"2023-01-01","end":"2023-12-31","val":69309000,"accn":"0001690680-24-000006","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-29"},{"start":"2023-01-01","end":"2023-12-31","val":69309000,"accn":"0001628280-25-009332","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-03"},{"start":"2023-01-01","end":"2023-12-31","val":69309000,"accn":"0001628280-26-013160","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-02","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":-99005000,"accn":"0001690680-24-000015","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-10"},{"start":"2024-01-01","end":"2024-03-31","val":-99005000,"accn":"0001628280-25-024261","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-09","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":-70484000,"accn":"0001690680-24-000025","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-08"},{"start":"2024-01-01","end":"2024-06-30","val":-70484000,"accn":"0001628280-25-039056","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-08"},{"start":"2024-01-01","end":"2024-09-30","val":-79990000,"accn":"0001690680-24-000031","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-11-08"},{"start":"2024-01-01","end":"2024-09-30","val":-79990000,"accn":"0001628280-25-051073","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-10"},{"start":"2024-01-01","end":"2024-12-31","val":-17676000,"accn":"0001628280-25-009332","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-03"},{"start":"2024-01-01","end":"2024-12-31","val":-17676000,"accn":"0001628280-26-013160","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-02","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":-42320000,"accn":"0001628280-25-024261","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-09"},{"start":"2025-01-01","end":"2025-03-31","val":-42320000,"accn":"0001628280-26-032821","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-08","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":-32148000,"accn":"0001628280-25-039056","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-08"},{"start":"2025-01-01","end":"2025-09-30","val":-11646000,"accn":"0001628280-25-051073","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-10"},{"start":"2025-01-01","end":"2025-12-31","val":31162000,"accn":"0001628280-26-013160","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-02","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":49669000,"accn":"0001628280-26-032821","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-08","frame":"CY2026Q1"}]}}