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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands | Total | Common Stock [Member] | Additional Paid In Capital [Member] | Retained Earnings [Member] | Treasury Stock [Member] | Accumulated Other Comprehensive Income (Loss) [Member]
--- | --- | --- | --- | --- | --- | ---
BALANCE at Dec. 31, 2017 | $ 210,528 | $ 325 | $ 174,043 | $ 48,434 |  | $ 507
BALANCE, Shares at Dec. 31, 2017 |  | 32,524,934 |  |  |  |
BALANCE, Treasury Stock, Value at Dec. 31, 2017 |  |  |  |  | $ (12,781) |
BALANCE, Treasury Stock, Shares at Dec. 31, 2017 |  |  |  |  | (662,788) |
Net income | 6,394 |  |  | 6,394 |  |
Cumulative effect of accounting changes, net of tax | 2,888 |  |  | 2,776 |  | 112
Issuance of common stock awards to employees, value |  | $ 1 | (1) |  |  |
Issuance of common stock awards to employees, shares |  | 70,390 |  |  |  |
Surrender of common stock awards by employees, value | (56) |  |  |  |  |
Surrender of common stock awards by employees, shares |  |  |  |  | (1,212) |
Share-based compensation expense | 2,307 |  | 2,307 |  |  |
Common stock repurchase, value | (24,640) |  |  |  |  |
Common stock repurchase, shares |  |  |  |  | (412,717) |
Other comprehensive income (loss), net of tax | 1,160 |  |  |  |  | 1,160
BALANCE at Mar. 31, 2018 | 198,581 | $ 326 | 176,349 | 57,604 |  | 1,779
BALANCE, Shares at Mar. 31, 2018 |  | 32,595,324 |  |  |  |
BALANCE, Treasury Stock, Value at Mar. 31, 2018 |  |  |  |  | $ (37,477) |
BALANCE, Treasury Stock, Shares at Mar. 31, 2018 |  |  |  |  | (1,076,717) |
BALANCE at Dec. 31, 2018 | $ 182,498 | $ 327 | 181,815 | 105,212 |  | (431)
BALANCE, Shares at Dec. 31, 2018 | 32,723,972 | 32,723,972 |  |  |  |
BALANCE, Treasury Stock, Value at Dec. 31, 2018 | $ (104,425) |  |  |  | $ (104,425) |
BALANCE, Treasury Stock, Shares at Dec. 31, 2018 | (2,808,361) |  |  |  | (2,808,361) |
Net income | $ 8,834 |  |  | 8,834 |  |
Issuance of common stock awards to employees, value |  | $ 1 | (1) |  |  |
Issuance of common stock awards to employees, shares |  | 56,995 |  |  |  |
Surrender of common stock awards by employees, value | (4) |  |  |  | $ (4) |
Surrender of common stock awards by employees, shares |  |  |  |  | (643) |
Share-based compensation expense | 2,022 |  | 2,022 |  |  |
Other comprehensive income (loss), net of tax | (2,749) |  |  |  |  | (2,749)
BALANCE at Mar. 31, 2019 | $ 190,601 | $ 328 | $ 183,836 | $ 114,046 |  | $ (3,180)
BALANCE, Shares at Mar. 31, 2019 | 32,780,967 | 32,780,967 |  |  |  |
BALANCE, Treasury Stock, Value at Mar. 31, 2019 | $ (104,429) |  |  |  | $ (104,429) |
BALANCE, Treasury Stock, Shares at Mar. 31, 2019 | (2,809,004) |  |  |  | (2,809,004) |

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