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Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
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, 2017 $ 21,382 $ 228,750 $ 180,543 $ (79,121) $ (840) $ 350,714
Net income     8,868     8,868
Other comprehensive (loss)         (1,641) (1,641)
Common dividends declared     (11,184)     (11,184)
Equity-based compensation expense   (16)   547   531
Common stock options exercised   (9)   31   22
Issuance of stock to 401(k) plan   49   91   140
Purchase of treasury shares       (5,413)   (5,413)
Ending balance at Mar. 31, 2018 21,382 228,774 178,227 $ (83,865) (2,481) 342,037
Beginning balance at Dec. 31, 2018 16,007 122,486 195,793   (1,429) 332,857 [1]
Net income     9,631     9,631
Other comprehensive (loss)         696 696
Common dividends declared     (3,321)     (3,321)
Equity-based compensation expense 38 819       857
Common stock options exercised 2 22       24
Issuance of stock to 401(k) plan 4 136       140
Ending balance at Mar. 31, 2019 15,818 115,914 $ 202,103   $ (733) 333,102
Purchase of common shares $ (233) $ (7,549)       $ (7,782)
[1] Derived from audited financial statements