XML 17 R4.htm IDEA: XBRL DOCUMENT v3.22.0.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
shares in Thousands
Dec. 31, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Common shares, par value, per share $ 0.01 $ 0.01
Common shares, authorized 175,000 175,000
Common shares, issued 114,668 109,110
Common shares, outstanding 112,578 106,860
Treasury shares, at cost 9,236 9,442