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 is as follows:

	Number of Units
Balance at December 31, 2017		123,631,195
Granted		11,343,446
Redeemed/exchanged units		(5,629,072	)
Forfeited units		(38,689	)
Balance at March 31, 2018		129,306,880

Activity Associated with Restricted Stock Units

A summary of the activity associated with 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		51,976			12.10
Delivered units		(413,051	)		8.44
Forfeited units		(29,572	)		9.65
Balance at March 31, 2018		1,019,100		$	9.03		1.69