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Convertible Senior Notes - Schedule of convertiable note interest expense (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Debt Disclosure [Abstract]        
Contractual interest expense $ 269 $ 269 $ 539 $ 539
Amortization of Debt Issuance Costs 453 357 905 709
Amortization of debt discount 0 2,508 0 4,986
Total $ 722 $ 3,134 $ 1,444 $ 6,234
Debt Instrument, Interest Rate, Effective Percentage 1.00% 5.10% 1.00% 5.10%