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Compensation - Schedule of Compensation Expense Related to Limited Partnership Units that were Not Redeemed (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Limited Partnership Units | Newmark Holdings Units
Share-based Compensation Arrangement by Share-based Payment Award
Limited partnership units amortization	$ 34,307	$ 23,203	$ 14,267

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Amount of expense for employee benefit and equity-based compensation.

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