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v3.25.1

Related Party Transactions - Transactions with Executive Officers and Directors (Details) - USD ($) |  |  |  |  |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 04, 2025 | Oct. 08, 2024 | Oct. 07, 2024 | Aug. 08, 2024 | Jan. 02, 2024 | Mar. 31, 2025 | Feb. 28, 2025 | Jan. 31, 2025 | Mar. 31, 2024 | Feb. 29, 2024 | Jan. 31, 2024 | Mar. 31, 2025 | Mar. 31, 2024
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of class A common stock (in shares) |  |  |  |  |  | 13,000 | 0 | 3,171,000 | 1,055,000 | 6,586,000 | 3,609,000 | 3,184,000 | 11,250,000
Class A Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of class A common stock (in shares) |  |  |  |  |  |  |  |  |  |  |  | 2,444,829 | 9,820,280
Stock repurchased, weighted average price (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  | $ 9.36 | $ 7.11
Related Party | Dr. Bell | Class A Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of class A common stock (in shares) | 12,727 |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchased, weighted average price (in dollars per share) | $ 9.35 |  |  |  |  |  |  |  |  |  |  |  |
Related Party | Mr. Windeatt |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares redeemed in period |  | $ 0 |  |  |  |  |  |  |  |  |  |  |
Related Party | Mr. Windeatt | Newmark Holdings LPU |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares redeemed in period (in shares) |  | 31,700 | 327,127 |  |  |  |  |  |  |  |  |  |
Determination amount |  | $ 27,130 |  |  |  |  |  |  |  |  |  |  |
Related Party | Mr. Windeatt | Newmark Holdings PLPU |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares redeemed in period (in shares) |  | 2,953 | 30,285 |  |  |  |  |  |  |  |  |  |
Determination amount |  |  | $ 278,258 |  |  |  |  |  |  |  |  |  |
Shares redeemed in period |  |  | $ 251,128 |  |  |  |  |  |  |  |  |  |
Shares granted in period (in shares) |  |  | 27,332 |  |  |  |  |  |  |  |  |  |
Related Party | Mr. Windeatt | Class A Common Stock | Newmark Holdings LPU |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares redeemed in period (in shares) |  |  | 239,428 |  |  |  |  |  |  |  |  |  |
Related Party | Mr. Windeatt | Class A Common Stock | Newmark Holdings LPUs |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares redeemed in period (in shares) |  |  | 271,362 |  |  |  |  |  |  |  |  |  |
Related Party | Reporting Person | Class A Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of class A common stock (in shares) |  |  |  | 13,063 | 136,891 |  |  |  |  |  |  |  |
Stock repurchased, weighted average price (in dollars per share) |  |  |  | $ 9.11 | $ 6.98 |  |  |  |  |  |  |  |

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