Quarterly report pursuant to Section 13 or 15(d)

Debt - Summary of Balances of Exchangeable Notes (Details)

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Debt - Summary of Balances of Exchangeable Notes (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2021
USD ($)
Debt Instrument [Line Items]  
Exchangeable Notes $ 15,961
January 2020 $1,000 Exchangeable Notes due January 31, 2025  
Debt Instrument [Line Items]  
Exchangeable Notes 51,588
Exchangeable Notes, Accrued Interest 4,043
September 2020 $1,000 Exchangeable Notes due January 31, 2025  
Debt Instrument [Line Items]  
Exchangeable Notes 220
Exchangeable Notes, Accrued Interest 10
Conversion of $1,000 Exchangeable Notes due January 31, 2025  
Debt Instrument [Line Items]  
Exchangeable Notes, Conversion (39,201)
Exchangeable Notes, Accrued Interest Write off (2,697)
2025 Exchangeable Notes  
Debt Instrument [Line Items]  
Exchangeable Notes 12,607
Unamortized discount and debt issuance costs (7,829)
Exchangeable Notes, net 4,778
Exchangeable Notes, Accrued Interest $ 1,356