Redeemable Convertible Preferred Stock - Additional Information (Details)	Apr. 23, 2018 shares
Series A and A-1 Redeemable Convertible Preferred Stock
Temporary Equity [Line Items]
Convertible preferred stock converted into common stock	16,863,624

Number of shares issued for each share of convertible preferred stock that is converted.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant