Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Schedule of Changes in Fair Value of Warrant Liabilities (Details)

v3.21.2
Fair Value Measurements - Schedule of Changes in Fair Value of Warrant Liabilities (Details) - Equity awards - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance, beginning of period $ (17,740) $ (16,853)
Warrants issued (289) 0
Issuance of equity upon exercise of certain warrants 30,206 0
Issuance of equity upon settlement of certain warrants 619 0
Fair value adjustments (12,796) 0
Balance, end of period $ 0 $ (16,853)