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Fair Value Measurements - Summary of Derivative Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3) (Details) - Derivative Liabilities
$ in Thousands
3 Months Ended
Mar. 31, 2021
USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]  
Beginning balance $ 35,400
Re-measurement of Fair Value (2,200)
Ending balance $ 33,200