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 |