v3.21.2
Debt - Paycheck Protection Program ("PPP") Loans (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Jun. 18, 2021
Dec. 31, 2020
May 01, 2020
Dec. 31, 2019
Debt Instrument [Line Items]          
Debt amount $ 119,766   $ 78,558   $ 3,354
MIS PPP Loan          
Debt Instrument [Line Items]          
Debt amount     1,463    
LoadPath PPP Loan          
Debt Instrument [Line Items]          
Debt amount     339    
DSS PPP Loan          
Debt Instrument [Line Items]          
Debt amount $ 450 $ 608 $ 1,058 $ 1,058  
Interest rate       1.00%