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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands | Total | Common Stock | Retained Earnings | Accumulated Other Comprehensive Loss
--- | --- | --- | --- | ---
Beginning Balance (in shares) at Dec. 31, 2015 | [1] |  |  | 15,330,717 |  |
Beginning Balance at Dec. 31, 2015 |  | $ 363,190 |  | $ 153,083 | $ 222,329 | $ (12,222)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net Income |  | 8,646 | [2],[3],[4],[5] |  | 8,646 |
Other comprehensive income, net of tax |  | 5,702 |  |  |  | 5,702
Stock-based compensation expense |  | 324 |  | $ 324 |  |
Exercise of stock options and issuance of vested share awards, net of repurchase for tax withholdings and tax benefit (shares) | [1] |  |  | 75,766 |  |
Exercise of stock options and issuance of vested share awards, net of repurchase for tax withholdings |  | 719 |  | $ 719 |  |
Cash dividends declared ($0.20 and $0.23 per share in three months ended March 31, 2016 and March 31, 2017) | [1] | (3,123) |  |  | (3,123) |
Ending Balance (in shares) at Mar. 31, 2016 | [1] |  |  | 15,406,483 |  |
Ending Balance at Mar. 31, 2016 |  | 375,458 |  | $ 154,198 | 227,780 | (6,520)
Beginning Balance (in shares) at Dec. 31, 2015 | [1] |  |  | 15,330,717 |  |
Beginning Balance at Dec. 31, 2015 |  | 363,190 |  | $ 153,083 | 222,329 | (12,222)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Cumulative effect adjustment(2) | [6] |  |  | $ 72 | (72) |
Ending Balance (in shares) at Dec. 31, 2016 | [1] |  |  | 15,476,379 |  |
Ending Balance at Dec. 31, 2016 |  | 391,547 |  | $ 156,041 | 249,415 | (13,909)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net Income |  | 10,076 |  |  | 10,076 |
Other comprehensive income, net of tax |  | (29) |  |  |  | (29)
Stock-based compensation expense |  | 366 |  | $ 366 |  |
Exercise of stock options and issuance of vested share awards, net of repurchase for tax withholdings and tax benefit (shares) | [1] |  |  | 31,646 |  |
Exercise of stock options and issuance of vested share awards, net of repurchase for tax withholdings |  | (552) |  | $ (552) |  |
Cash dividends declared ($0.20 and $0.23 per share in three months ended March 31, 2016 and March 31, 2017) | [1] | (3,581) |  |  | (3,581) |
Ending Balance (in shares) at Mar. 31, 2017 | [1] |  |  | 15,508,025.000 |  |
Ending Balance at Mar. 31, 2017 |  | $ 397,827 |  | $ 155,855 | $ 255,910 | $ (13,938)
[1] | (1) Share and per share amounts as of December 31, 2015 and as of and for the three months ended March 31, 2016 have been adjusted to reflect the three-for-two stock split effective September 30, 2016.
[2] | (1) The financial information for the three months ended March 31, 2016 has been adjusted to reflect the adoption of ASU 2016-09.
[3] | (1)The consolidated statement of cash flows for the three months ended March 31, 2016 has been adjusted to reflect the adoption of ASU 2016-09 in the second quarter of 2016 effective as of January 1, 2016.
[4] | (1)The consolidated statement of income for the three months ended March 31, 2016 has been adjusted to reflect the adoption of Accounting Standards Updates No. 2016-09, Compensation - Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting ("ASU 2016-09") in the second quarter of 2016 effective as of January 1, 2016.
[5] | (5) Share and per share amounts for the three months ended March 31, 2016 have been adjusted to reflect the three-for-two stock split effective September 30, 2016.
[6] | (2)In the second quarter of 2016, the Company adopted ASU 2016-09, effective January 1, 2016. The Company made a policy election to not estimate the forfeiture rate in the accounting for share-based compensation on its unvested share-based awards. The change in policy was accounted for on a modified-retrospective basis and represents the cumulative effect adjustment to shareholders' equity.

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