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Consolidated Statements of Equity - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | Total
--- | --- | --- | --- | --- | ---
Balances (in shares) at Dec. 31, 2014 | 26,260,543 |  |  |  |
Balance at Dec. 31, 2014 | $ 5,133 | $ 3,059 | $ 291,101 | $ (17,326) | $ 281,967
Net income |  |  | 25,109 |  | 25,109
Other comprehensive loss |  |  |  | (5,089) | (5,089)
Issuance of treasury shares (in shares) | 7,500 |  |  |  |
Issuance of treasury shares | $ 2 | 184 | 26 |  | 212
Treasury shares repurchased (in shares) | (184,420) |  |  |  |
Treasury shares repurchased | $ (40) | (3,243) | (1,296) |  | (4,579)
Cash dividends |  |  | (10,599) |  | (10,599)
Balances (in shares) at Dec. 31, 2015 | 26,083,623 |  |  |  |
Balance at Dec. 31, 2015 | $ 5,095 |  | 304,341 | (22,415) | 287,021
Net income |  |  | 24,883 |  | 24,883
Other comprehensive loss |  |  |  | 1,950 | 1,950
Issuance of treasury shares (in shares) | 9,500 |  |  |  |
Issuance of treasury shares | $ 2 | 215 | 35 |  | 252
Cash dividends |  |  | (11,218) |  | (11,218)
Balances (in shares) at Dec. 31, 2016 | 26,093,123 |  |  |  |
Balance at Dec. 31, 2016 | $ 5,097 | 215 | 318,041 | (20,465) | 302,888
Net income |  |  | 26,555 |  | 26,555
Other comprehensive loss |  |  |  | 7,956 | 7,956
Issuance of treasury shares (in shares) | 13,500 |  |  |  |
Issuance of treasury shares | $ 3 | 311 | 50 |  | 364
Cash dividends |  |  | (12,268) |  | (12,268)
Balances (in shares) at Dec. 31, 2017 | 26,106,623 |  |  |  |
Balance at Dec. 31, 2017 | $ 5,100 | $ 526 | $ 332,378 | $ (12,509) | $ 325,495

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