Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2019

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Activity for Restricted Stock Awards

The following table provides a summary of activity with regard to restricted stock awards in the nine months ended September 30, 2019:

	Number of Shares			Weighted Average Grant Date Fair Value
Unvested at beginning of year		6,904,388		$	14.74
Granted		2,022,198			10.44
Vested		(2,189,635	)		15.19
Canceled		(197,470	)		12.88
Unvested at end of period		6,539,481			13.32