Stockholders' Equity - Contingent consideration (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended	9 Months Ended		12 Months Ended
	Dec. 31, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Stockholders' Equity
Earn-out consideration, shares per annual installment			1,000,000		1,000,000	1,000,000
Second stock price hurdle (in dollars per share)					$ 18	$ 15
Third stock price hurdle (in dollars per share)	$ 22
Earn-out consideration, number of shares issued during the period					1,000,000	1,000,000
Common stock par value			$ 0.0001		$ 0.0001
Change in amount of contingent common share liability
Contingent consideration common shares liability, Beginning balance				$ 70,477	$ 70,477
Change in fair value of contingent consideration common shares liability (note 10)		$ (10,006)		(34,050)
Contingent consideration common shares liability, Ending balance		$ 36,427		$ 36,427		$ 70,477