Summary of Significant Accounting Policies - Summary of reconciliation of shares used to determine net loss per share (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Summary of Significant Accounting Policies
Net income (loss)	$ 29,555	$ (1,076)
Weighted average number of shares - basic	44,779,822	43,353,213
Shares underlying options	1,956,649
Weighted average number of shares - diluted	46,736,471	43,353,213