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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - USD ($)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Statement of Stockholders' Equity [Abstract]      
Cash dividends declared on common stock (in Dollars per share) $ 0.300 $ 0.300 $ 0.300
Issuance of restricted stock awards, shares 70,019 69,258
Exercise of stock options, shares 136,429 340,492 100,911
Stock issued in acquisition 13,221,152
Secondary offering of common stock, shares 1,659,794
Offering costs for common shares $ 1,811