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UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - shares
shares in Thousands
Sep. 30, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Preference shares, authorized (in shares) 123,849 0
Preference shares, issued (in shares) 123,849 0
Preference shares, outstanding (in shares) 123,849 0