Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation??and Summary of Significant Accounting Policies - Balance Sheet Correction (Details)

v3.21.4
Basis of Presentation and Summary of Significant Accounting Policies - Balance Sheet Correction (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Error Corrections and Prior Period Adjustments Restatement [Line Items]    
Accounts payable - trade $ 6,466 $ 14,845
Total Liabilities 646,788 $ 42,790
Accumulated deficit (439,297)  
Total Stockholders' Equity (439,286)  
As Previously Reported    
Error Corrections and Prior Period Adjustments Restatement [Line Items]    
Accounts payable - trade 3,630  
Total Liabilities 643,952  
Accumulated deficit (436,461)  
Total Stockholders' Equity (436,450)  
Adjustment    
Error Corrections and Prior Period Adjustments Restatement [Line Items]    
Accounts payable - trade 2,836  
Total Liabilities 2,836  
Accumulated deficit (2,836)  
Total Stockholders' Equity $ (2,836)