Compensation (Details 1) - Class B-O Units [Member]	3 Months Ended
	Mar. 31, 2016 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
B-0 Units, Balance at December 31, 2015 | shares	1,337,486
B-0 Units, Granted | shares	100,000
B-0 Units, Forfeited | shares	(148,708)
B-0 Units, Vested | shares	0
B-0 Units, Balance at March 31, 2016 | shares	1,288,778
Weighted Average Grant Date Fair Value per Unit, Balance at December 31, 2015 | $ / shares	$ 9.67
Weighted Average Grant Date Fair Value per Unit, Granted | $ / shares	6.34
Weighted Average Grant Date Fair Value per Unit, Forfeited | $ / shares	9.7
Weighted Average Grant Date Fair Value per Unit, Vested | $ / shares	0
Weighted Average Grant Date Fair Value per Unit, Balance at March 31, 2016 | $ / shares	$ 9.4