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Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Increase (Decrease) in Stockholders' Equity [Roll forward] |  |  |  |
Other comprehensive income (loss), tax | $ 664 | $ (529) | $ 3,640 | $ (2,096)
Dividends declared per share (in dollars per share) | $ 0.38 | $ 0.36 | $ 1.10 | $ 1.02

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