XML 71 R58.htm IDEA: XBRL DOCUMENT v3.21.1
Fair Value Measurements - Summary of Derivative Liabilities Measured at Fair Value (Details) - Derivative liabilities
$ in Thousands
3 Months Ended
Mar. 31, 2021
USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Beginning balance $ 0
Additions 43,681
Re-measurement of fair value (1,279)
Ending balance $ 42,402