Annual report pursuant to Section 13 and 15(d)

Debt - Summary of Balances of Exchangeable Notes (Parenthetical) (Details)

v3.20.4
Debt - Summary of Balances of Exchangeable Notes (Parenthetical) (Details)
12 Months Ended
Dec. 31, 2020
$ / shares
shares
January 2020 $1,000 Exchangeable Notes due January 31, 2025  
Debt Instrument [Line Items]  
Debt instrument, shares embedded within each unit, shares | shares 1,000
Debt instrument, shares embedded within each unit, exchange price | $ / shares $ 0.7775
Debt instrument interest rate 6.50%
Debt instrument maturity date Jan. 31, 2025
September 2020 $1,000 Exchangeable Notes due January 31, 2025  
Debt Instrument [Line Items]  
Debt instrument, shares embedded within each unit, shares | shares 1,000
Debt instrument, shares embedded within each unit, exchange price | $ / shares $ 0.7775
Debt instrument interest rate 6.50%
Debt instrument maturity date Jan. 31, 2025