Public Offering of Ordinary Shares - (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Feb. 14, 2020	Dec. 31, 2020
Public Offering of Ordinary Shares
Net proceeds from sale of ordinary shares (in shares)	5,500,000
Share price (in dollars per share)	$ 27.00
Proceeds from sale of ordinary shares	$ 148,500	$ 139,915