Compensation (Tables)

3 Months Ended

Mar. 31, 2018

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Activity Associated with Limited Partnership Units

A summary of the activity associated with limited partnership units held by Newmark employees in BGC Holdings is as follows:

	Number of Units
Balance at December 31, 2017		64,708,915
Redeemed/exchanged units		(353,054	)
Forfeited units		(18,233	)
Balance at March 31, 2018		64,337,628

Summary of Activity of Number of Share Equivalent Limited Partnership Units and Post IPO Grants

A summary of the activity of the number of share-equivalent limited partnership units and post IPO grants of Newmark LPU’s held by Newmark employees in Newmark Holdings is as follows:

	Number of Units
Balance at December 31, 2017		29,413,143
Granted		3,767,619
Redeemed/exchanged units		(160,479	)
Forfeited units		(8,288	)
Balance at March 31, 2018		33,011,995

Activity Associated with Restricted Stock Units

A summary of the activity associated with RSUs in BGC is as follows:

Balance at December 31, 2017	346,538		$	9.56	1.85
Delivered units	(95,773	)		9.17
Forfeited units	(9,470	)		9.95
Balance at March 31, 2018	241,295		$	9.67	1.69