Subsequent Events - Narrative (Details) - Subsequent Event $ / shares in Units, $ in Thousands	Apr. 28, 2020 USD ($) $ / shares shares
Over-Allotment Option
Subsequent Event [Line Items]
Shares sold in offering	1,745
American Depositary Shares | Public Offering
Subsequent Event [Line Items]
Shares sold in offering	11,630
Offering price per share (in dollars per share) | $ / shares	$ 10.75
Aggregate net proceeds from stock offering | $	$ 125,000