Debt - Interest Expense Recognized Related To Convertible Notes (Details) - Convertible Notes - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Cash interest expense
Contractual interest expense	$ 1,617	$ 1,617	$ 3,234	$ 3,234
Non-cash interest expense
Amortization of debt discount and debt issuance cost	312	306	625	610
Total interest expense	$ 1,929	$ 1,923	$ 3,860	$ 3,844

Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

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