CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Dividends declared per share of common stock (in dollars per share)	$ 0.12	$ 0.12	$ 0.12
Dividends declared and paid per share of common stock (in dollars per share)	$ 0.12	$ 0.12	$ 0.12
FPU's
Issuance of Class A common stock for Newmark RSUs (in shares)	595,632	662,703	422,646
Class A Common Stock
Treasury stock repurchases (in shares)	10,973,933	17,729,096	5,785,370
Forfeited of shares (in shares)	168,435	308,426
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)	15,070,962	14,596,569	8,040,128
Treasury stock repurchases (in shares)	10,973,933	17,729,096	5,785,370