Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Loans and Borrowings - Loans and Borrowings from Financing Activities (Details)

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Loans and Borrowings - Loans and Borrowings from Financing Activities (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Loans and Borrowings [Roll Forward]    
Changes in loans and borrowings, Beginning balance $ 70,357 $ 0
Changes from financing cash flows    
Proceeds from issuance of notes and warrants 270,563 100,357
Payment of debt issuance costs (4,804)  
Repayment of cash loan (82,000)  
Total changes from financing cash flows (183,759) 100,357
Other changes    
Fair value of warrants issued (16,930)  
Unpaid debt issuance costs (2,972)  
Amortization of fair value adjustment, discount, and debt issuance costs 4,744  
Convertible loan notes converted (70,000) (30,000)
Non-cash conversion of loan notes to bonds 0  
Other loans and borrowings activity, net (172)  
Total other changes (85,330) 30,000
Changes in loans and borrowings, Ending balance 168,786 70,357
Albacore Notes    
Loans and Borrowings [Roll Forward]    
Changes in loans and borrowings, Beginning balance 0 0
Changes from financing cash flows    
Proceeds from issuance of notes and warrants 191,000 0
Payment of debt issuance costs (3,429)  
Repayment of cash loan 0  
Total changes from financing cash flows 187,571 0
Other changes    
Fair value of warrants issued (16,930)  
Unpaid debt issuance costs (2,801)  
Amortization of fair value adjustment, discount, and debt issuance costs 761  
Convertible loan notes converted 0 0
Non-cash conversion of loan notes to bonds 0  
Other loans and borrowings activity, net 0  
Total other changes (18,970) 0
Changes in loans and borrowings, Ending balance 168,601 0
VNV Loan Notes    
Loans and Borrowings [Roll Forward]    
Changes in loans and borrowings, Beginning balance 0 0
Changes from financing cash flows    
Proceeds from issuance of notes and warrants 15,000 0
Payment of debt issuance costs 0  
Repayment of cash loan (7,000)  
Total changes from financing cash flows 8,000 0
Other changes    
Fair value of warrants issued 0  
Unpaid debt issuance costs 0  
Amortization of fair value adjustment, discount, and debt issuance costs 0  
Convertible loan notes converted 0 0
Non-cash conversion of loan notes to bonds (8,000)  
Other loans and borrowings activity, net 0  
Total other changes (8,000) 0
Changes in loans and borrowings, Ending balance 0 0
Unsecured Bonds    
Loans and Borrowings [Roll Forward]    
Changes in loans and borrowings, Beginning balance 0 0
Changes from financing cash flows    
Proceeds from issuance of notes and warrants 64,563 0
Payment of debt issuance costs (1,375)  
Repayment of cash loan (75,000)  
Total changes from financing cash flows (11,812) 0
Other changes    
Fair value of warrants issued 0  
Unpaid debt issuance costs (171)  
Amortization of fair value adjustment, discount, and debt issuance costs 3,983  
Convertible loan notes converted 0 0
Non-cash conversion of loan notes to bonds 8,000  
Other loans and borrowings activity, net 0  
Total other changes 11,812 0
Changes in loans and borrowings, Ending balance 0 0
Convertible Loan Notes    
Loans and Borrowings [Roll Forward]    
Changes in loans and borrowings, Beginning balance 70,000 0
Changes from financing cash flows    
Proceeds from issuance of notes and warrants 0 100,000
Payment of debt issuance costs 0  
Repayment of cash loan 0  
Total changes from financing cash flows 0 100,000
Other changes    
Fair value of warrants issued 0  
Unpaid debt issuance costs 0  
Amortization of fair value adjustment, discount, and debt issuance costs 0  
Convertible loan notes converted (70,000) (30,000)
Non-cash conversion of loan notes to bonds 0  
Other loans and borrowings activity, net 0  
Total other changes (70,000) 30,000
Changes in loans and borrowings, Ending balance 0 70,000
Other Loans and Borrowings    
Loans and Borrowings [Roll Forward]    
Changes in loans and borrowings, Beginning balance 357 0
Changes from financing cash flows    
Proceeds from issuance of notes and warrants 0 357
Payment of debt issuance costs 0  
Repayment of cash loan 0  
Total changes from financing cash flows 0 357
Other changes    
Fair value of warrants issued 0  
Unpaid debt issuance costs 0  
Amortization of fair value adjustment, discount, and debt issuance costs 0  
Convertible loan notes converted 0 0
Non-cash conversion of loan notes to bonds 0  
Other loans and borrowings activity, net (172)  
Total other changes (172) 0
Changes in loans and borrowings, Ending balance $ 185 $ 357