Equity-Based Compensation (Details 4) (Restricted Stock Awards, Performance-Based, USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended		9 Months Ended		0 Months Ended	9 Months Ended
	May 28, 2014	Mar. 02, 2013	Sep. 30, 2014	Dec. 31, 2013	Jun. 19, 2014 Severance and release agreement Mr. Becker	Sep. 30, 2014 Performance Period, one	Sep. 30, 2014 Performance Period, two	Sep. 30, 2014 Performance Period, three
Equity-based compensation
Vesting period	3 years	3 years
Designated performance period to measure performance based on which share based awards vests						1 year	2 years	3 years
Number of Shares
Non-vested at the beginning of period (in shares)			268,174
Granted (in shares)	161,935	185,572	161,935
Vested (in shares)			45,551		45,551
Non-vested at the end of period (in shares)			384,558
Weighted Average Grant Date Fair Value
Non-vested at the beginning of period (in dollars per share)			$ 6.48
Granted (in dollars per share)			$ 7.12
Vested (in dollars per share)			$ 6.50
Non-vested at the end of period (in dollars per share)			$ 6.75
Aggregate Current Value
Non-vested at the end of period			$ 4,146	$ 2,414