Members Equity Partners Capital (Class B Preferred Units) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Mezzanine equity beginning balance	$ 172,111
Distributions	16,168
Total mezzanine equity	186,264	$ 172,111
Class B Preferred [Member]
Mezzanine equity beginning balance	172,111
Private placement of Class B Preferred Units		350,000
Discount	(87)	(191,901)
Amortization of discount	12,908	6,594
Distributions	17,500	7,418
Distributions paid	(16,168)
Total mezzanine equity	$ 186,264	$ 172,111