Organization and Significant Accounting Policies - Corporate Conversion (Details) (USD $)	0 Months Ended
	Dec. 10, 2014
Series A Preferred Units
Conversion of Stock [Line Items]
Rate of conversion	0.396
Series B Preferred Units
Conversion of Stock [Line Items]
Rate of conversion	0.453
Series C Preferred Units
Conversion of Stock [Line Items]
Rate of conversion	0.396
Common Units
Conversion of Stock [Line Items]
Rate of conversion	0.396
Capped Common Units ($.20 cap)
Conversion of Stock [Line Items]
Rate of conversion	0.014
Capped common units, cap price (in dollars per share)	0.20
Capped Common Units ($1.00 cap)
Conversion of Stock [Line Items]
Rate of conversion	0.071
Capped common units, cap price (in dollars per share)	1.00
Capped Common Units ($4.00 cap)
Conversion of Stock [Line Items]
Rate of conversion	0.286
Capped common units, cap price (in dollars per share)	4.00
Appreciation Units ($.20 threshold price)
Conversion of Stock [Line Items]
Rate of conversion	0.382
Appreciation units, threshold price (in dollars per share)	0.20
Appreciation Units ($.30 threshold price)
Conversion of Stock [Line Items]
Rate of conversion	0.375
Appreciation units, threshold price (in dollars per share)	0.30
Appreciation Units ($3.36 threshold price)
Conversion of Stock [Line Items]
Rate of conversion	0.156
Appreciation units, threshold price (in dollars per share)	3.36
Participation Units ($1.00 threshold price)
Conversion of Stock [Line Items]
Rate of conversion	0.325
Participation units, threshold price (in dollars per share)	1.00
Participation Units ($4.00 threshold price)
Conversion of Stock [Line Items]
Rate of conversion	0.111
Participation units, threshold price (in dollars per share)	4.00