Compensation (Tables)

9 Months Ended

Sep. 30, 2018

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Activity Associated with Limited Partnership Units

A summary of the activity associated with BGC Holdings limited partnership units is as follows:

	Number of Units
Balance at December 31, 2017		123,631,195
Granted		28,836,257
Redeemed/exchanged units		(13,897,224	)
Forfeited units		(38,689	)
Balance at September 30, 2018		138,531,539

Activity Associated with Restricted Stock Units

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

	Restricted Stock Units			Weighted- Average Grant Date Fair Value		Weighted- Average Remaining Contractual Term (Years)
Balance at December 31, 2017		1,409,747		$	8.76		1.68
Granted		460,402			12.37
Delivered units		(626,576	)		8.59
Forfeited units		(120,110	)		10.38
Balance at September 30, 2018		1,123,463		$	10.16		1.71