Members Equity Partners Capital (Class B Preferred Units) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Mezzanine equity beginning balance	$ 172,111
Distributions	24,918
Total mezzanine equity	196,372	$ 172,111
Class B Preferred
Mezzanine equity beginning balance	172,111
Private placement of Class B Preferred Units		350,000
Discount	(87)	(191,901)
Amortization of discount	19,516	6,594
Distributions	29,750	7,418
Distributions paid	(24,918)
Total mezzanine equity	$ 196,372	$ 172,111