General form of registration statement for all companies including face-amount certificate companies

Long-Term Debt - Summary of Long-term Debt (Detail)

v3.21.2
Long-Term Debt - Summary of Long-term Debt (Detail) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 79,284 $ 31,443 $ 13,959
Less: FP Term Loan embedded derivative asset (8,922)  
Less: Debt issuance costs (12,058) (4,798) 0
Long-term debt, current portion   0 (6,000)
Non-current portion of long-term debt 58,304 26,645 7,959
Eastward Loan Facility [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross 15,000 0
EIB Loan Facility [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross 14,734 0
SVB Loan Facility [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross   0 13,959
PPP Loan [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross 1,699 $ 0
FP Term Loan [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross [1] 79,284  
Other [Member]      
Debt Instrument [Line Items]      
Long-term Debt, Gross $ 10  
[1] Includes a debt premium of $8,922 recognized in relation to the FP Term Loan embedded derivative.