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Convertible Notes - Summary of Interest Expenses Related to Convertible Notes (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Debt Disclosure [Abstract]        
Stated coupon interest $ 1,409 $ 1,409 $ 4,228 $ 2,145
Amortization of debt issuance cost 273 265 812 402
Total interest expense $ 1,682 $ 1,674 $ 5,040 $ 2,547