Equity-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2014

Time Restricted Shares [Member] | Pre-IPO Incentive Plan [Member]

Schedule of Employee Stock Performance Activity

The activity related to the Pre-IPO Incentive Plan Time Restricted share awards for the year ended December 31, 2014, is as follows:

	Shares			Weighted Average Grant Date Fair Value per Share		Weighted Average Remaining Contractual Term
Pre-IPO Incentive Plan Time Restricted shares:		(not in thousands	)
Outstanding at December 31, 2013		375,480		$	4.19
Granted		—			—
Vested		(258,064	)	$	3.95
Forfeited		(3,343	)	$	3.82
Outstanding at December 31, 2014		114,073		$	4.72		11 months

Time Restricted Shares [Member] | Omnibus Incentive Plan [Member]

Schedule of Employee Stock Performance Activity

The activity related to the Omnibus Plan Time Restricted shares for the year ended December 31, 2014, is as follows:

	Shares			Weighted Average Grant Date Fair Value per Share		Weighted Average Remaining Contractual Term
Omnibus Plan Time Restricted shares:		(not in thousands	)
Outstanding at December 31, 2013		59,160		$	33.35
Granted		33,273		$	24.59
Vested		(41,519	)	$	33.58
Forfeited		(442	)	$	32.88
Outstanding at December 31, 2014		50,472		$	27.40		17 months

2.25x Performance Restricted Shares [Member] | Pre-IPO Incentive Plan [Member]

Schedule of Employee Stock Performance Activity

The activity related to the Pre-IPO Incentive Plan 2.25x Performance Restricted shares for the year ended December 31, 2014, is as follows:

	Shares			Weighted Average Grant Date Fair Value per Share
Pre-IPO Incentive Plan 2.25x Performance Restricted shares:		(not in thousands	)
Outstanding at December 31, 2013		1,308,752		$	21.49
Granted		—			—
Vested		—			—
Forfeited		(18,217	)	$	21.49
Outstanding at December 31, 2014		1,290,535		$	20.21

2.25x Performance Restricted Shares [Member] | Omnibus Incentive Plan [Member]

Schedule of Employee Stock Performance Activity

The activity related to the Omnibus Plan 2.25x Performance Restricted shares for the year ended December 31, 2014, is as follows:

	Shares			Weighted Average Grant Date Fair Value per Share
Omnibus Plan 2.25x Performance Restricted shares:		(not in thousands	)
Outstanding at December 31, 2013		163,310		$	30.46
Granted		—			—
Vested		—			—
Forfeited		(2,392	)	$	30.46
Outstanding at December 31, 2014		160,918		$	26.96

2.75x Performance Restricted Shares [Member] | Pre-IPO Incentive Plan [Member]

Schedule of Employee Stock Performance Activity

The activity related to the Pre-IPO Incentive Plan 2.75x Performance Restricted shares for the year ended December 31, 2014, is as follows:

	Shares			Weighted Average Grant Date Fair Value per Share
Pre-IPO Incentive Plan 2.75x Performance Restricted shares:		(not in thousands	)
Outstanding at December 31, 2013		1,308,752		$	14.40
Granted		—			—
Vested		—			—
Forfeited		(18,217	)	$	14.40
Outstanding at December 31, 2014		1,290,535		$	11.89

2.75x Performance Restricted Shares [Member] | Omnibus Incentive Plan [Member]

Schedule of Employee Stock Performance Activity

The activity related to the Omnibus Plan 2.75x Performance Restricted shares for the year ended December 31, 2014, is as follows:

	Shares			Weighted Average Grant Date Fair Value per Share
Omnibus Plan 2.75x Performance Restricted shares:		(not in thousands	)
Outstanding at December 31, 2013		163,310		$	23.05
Granted		—			—
Vested		—			—
Forfeited		(2,392	)	$	23.05
Outstanding at December 31, 2014		160,918		$	18.32