XML 60 R49.htm IDEA: XBRL DOCUMENT v3.8.0.1
Shareholders' Equity and Noncontrolling Interest - Class A Common Stock (Details) - USD ($)
$ / shares in Units, $ in Millions
May 25, 2017
May 04, 2017
Subscription Agreements | Common Stock Class A    
Class of Stock [Line Items]    
Shares issued in transaction (in shares)   23,500,000
Sale of stock price per share (in usd per share)   $ 14.50
Gross proceeds   $ 340.8
Conversion of Class B Preferred Stock to Class A Common Stock | Common Stock Class A    
Class of Stock [Line Items]    
Conversion of class b preferred to class a common (in shares) 26,100,000  
Conversion of Class B Preferred Stock to Class A Common Stock | Preferred Class B    
Class of Stock [Line Items]    
Conversion of class b preferred to class a common (in shares) 104,400