Debt - Notes Payable (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2016
Debt Disclosure [Abstract]
Principal amount of Notes	$ 325,000	$ 325,000	$ 325,000
Unamortized debt issuance costs	(1,186)	(1,542)
Total convertible notes payable	$ 323,814	$ 323,458