Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2016

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

Schedule of stock option activity

	Number of Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Terms (Years)	Aggregate Intrinsic Value
					(in millions)
Options outstanding at December 31, 2015	60,793	$	8.12	2.9	$1.0
Granted	—	—
Exercised	—	—
Cancelled	—	—
Options outstanding at December 31, 2016	60,793	$	8.12	1.9	$1.2

Schedule of restricted stock activity

	Number of Restricted Share Awards		Weighted Average Grant-Date Fair Value per Award
Restricted share awards outstanding at December 31, 2015	6,798,175		$	23.76
Granted	2,969,439		19.06
Vested	(2,746,507	)	21.93
Forfeited	(272,024	)	25.90
Restricted share awards outstanding at December 31, 2016	6,749,083		$	22.35