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Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock [Member]
AOCI Attributable to Parent [Member]
Total
Beginning balance at Dec. 31, 2015 $ 21,382 $ 227,692 $ 155,647 $ (56,457) $ (5,247) $ 343,017
Net income 18,722 18,722
Other comprehensive income 5,617 5,617
Common dividends declared (7,680) (7,680)
Equity-based compensation expense 144 144
Common stock options exercised (23) 205 182
Restricted stock awards 26 270 296
Issuance of treasury stock to 401(k) plan 45 287 332
Purchase of treasury shares (23,094) (23,094)
Ending balance at Sep. 30, 2016 21,382 227,884 166,689 (78,789) 370 337,536
Beginning balance at Jun. 30, 2016           (3,017)  
Net income             6,383
Other comprehensive income           3,387 3,387
Ending balance at Sep. 30, 2016 21,382 227,884 166,689 (78,789) 370 337,536
Beginning balance at Dec. 31, 2016 21,382 228,142 170,377 (78,833) (2,011) 339,057 [1]
Net income 20,272 20,272
Other comprehensive income 1,944 1,944
Common dividends declared (8,504) (8,504)
Equity-based compensation expense 290 290
Common stock options exercised 6 145 151
Restricted stock awards (40) 387 347
Issuance of treasury stock to 401(k) plan 112 231 343
Purchase of treasury shares (1,263) (1,263)
Ending balance at Sep. 30, 2017 21,382 228,510 182,145 (79,333) (67) 352,637
Beginning balance at Jun. 30, 2017           (1)  
Net income             7,652
Other comprehensive income           (66) (66)
Ending balance at Sep. 30, 2017 $ 21,382 $ 228,510 $ 182,145 $ (79,333) $ (67) $ 352,637
[1] Derived from audited financial statements