v3.26.1
CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - $ / shares
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dividends declared per share of common stock (in dollars per share) $ 0.06 $ 0.03 $ 0.09 $ 0.06
Dividends declared and paid per share of common stock (in dollars per share) $ 0.06 $ 0.03 $ 0.09 $ 0.06
FPU's        
Issuance of Class A common stock for Newmark RSUs (in shares) 137,870   137,870  
Class A Common Stock        
Treasury stock repurchases (in shares) 988,178 10,839,674 10,367,495 10,839,674
Forfeited of shares (in shares)   33,427 52,376 93,665
Class A Common Stock | Common Stock        
Exchange of Cantor Units for Newmark Class A common stock (in shares)       7,221,277
Grant of exchangeability, redemption and issuance of Class A common stock (in shares) 4,285,814 3,301,060 9,049,753 8,557,739
Treasury stock repurchases (in shares) 988,178 10,839,674 10,367,495 10,839,674