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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Statement of Stockholders' Equity [Abstract] |  |  |
Other comprehensive income (loss), tax | $ 10,034 | $ 13,697 | $ 2,792
Issuance of Common Stock in regard to acquisition, shares |  | 15,842,026 | 21,922,077
Issuance of preferred stock, shares | 17,250 |  |
Dividends on common stock (in dollars per share) | $ 1.00 | $ 0.96 | $ 0.88
Dividends on preferred stock (in dollars per share) | $ 328.48 |  |
Issuance of common stock under Equity Compensation Plan, shares | 46,010 | 78,098 | 121,438
Stock purchased under stock repurchase plan, shares | 1,493,472 | 2,171,944 |
Issuance of common stock for services rendered, shares | 30,780 | 25,744 | 23,581
Vesting of restricted stock, including tax effects, under Equity Compensation Plans, shares | 169,587 | 193,884 | 118,058

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