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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares | 6 Months Ended
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Jun. 30, 2017 | Jun. 30, 2016
Statement of Stockholders' Equity [Abstract] |  |
Cash dividends declared on common stock (in Dollars per share) | $ 0.150 | $ 0.150
Exercise of stock options, shares | 10,846 | 36,135
Restricted stock and performance units grants, shares | 56,164 | 75,520

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