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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parentheticals) - $ / shares | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2015 | Dec. 31, 2014
Cash dividends declared on common stock (in Dollars per share) | $ 0.225 | $ 0.300
Exercise of stock options, shares | 340,492 | 100,911
Stock issued in acquisition |  | 13,221,152
Options acquired acquisition |  | 783,732
Restricted stock and performance units grants, shares | 162,491 |
Common Stock [Member] |  |
Stock issued in acquisition |  | 13,221,152
Options acquired acquisition |  | 783,732
Additional Paid-in Capital [Member] |  |
Exercise of stock options, shares | 340,492 | 100,911
Retained Earnings [Member] |  |
Cash dividends declared on common stock (in Dollars per share) | $ 0.225 | $ 0.300
Treasury Stock [Member] |  |
Exercise of stock options, shares |  | 100,911

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