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Consolidated Statements of Shareholders' Equity (Parenthetical) - $ / shares | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Cash dividends paid on common shares, per share | $ 0.72 | $ 0.62 | $ 0.47
Issuance under equity compensation plans, shares | 146,005 | 174,895 | 157,882
Stock Issued During Period, Shares, Conversion of Convertible Securities | 0 | 0 | 0
Shares Awarded Through Acquisition | 4,977,214 | 3,990,822 | 0
Stock Repurchased During Period, Shares | 0 | 396,737 | 435,432

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