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Commitments and Contingencies - Summary of Cash Paid for Operating Lease Liabilities and Lease Costs Recognized in Statement of Operations (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Lease Cost [Abstract]    
Cash paid for operating lease liabilities $ 3,002 $ 1,527
Operating lease cost 3,069 1,396
Variable lease cost $ 216 $ 683