Condensed Consolidated Balance Sheets (Parenthetical) - shares |
Sep. 30, 2017 |
May 15, 2017 |
Dec. 31, 2016 |
|---|---|---|---|
| Common Class A | |||
| Common shares issued (in shares) | 62,314,850 | 37,426,008 | |
| Common shares outstanding (in shares) | 62,314,850 | 37,426,008 | |
| Common Class B | |||
| Common shares issued (in shares) | 81,463,433 | 7,142,857 | 74,320,576 |
| Common shares outstanding (in shares) | 81,463,433 | 74,320,576 |