Net Loss per Share - Additional Information (Details) - IPO shares in Millions	1 Months Ended
Mar. 31, 2017 shares
Class A Common Stock
Earnings Per Share [Line Items]
Common stock, shares issued and sold	160.3
Series FP Preferred Stock \| Class C Common Stock \| Chief Executive Officer \| Restricted Stock Units
Earnings Per Share [Line Items]
Conversion of convertible preferred stock into common stock	37.4

Number of new stock issued during the period.

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