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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Statement Of Financial Position [Abstract]    
Allowance for credit losses $ 18,480 $ 19,380
Common shares, shares issued 260,283,158 262,899,174
Common shares, shares outstanding 260,212,496 262,824,990
Treasury shares 70,662 74,184