Loss Per Share - Narrative (Details) - shares		3 Months Ended		6 Months Ended
	May 03, 2017	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Class B
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)		117,200,000	117,200,000	117,200,000	117,200,000
Class B Units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)		7,500,000	6,200,000
Restricted Stock Awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)		216,000	0	108,000	0
Class A | IPO
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Sale of stock, number of shares issued in transaction (in shares)	15,000,000