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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Common Stock | Retained Earnings | Accumulated Other Comprehensive Income (Loss) (AOCI), Net of Taxes
--- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2017 |  |  | 13,843,084 |  |  |
Beginning balance at Dec. 31, 2017 |  | $ 297,025 | $ 143,967 |  | $ 155,544 | $ (2,486)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income |  | 22,960 |  |  | 22,960 |
Other comprehensive income (loss) |  | (6,494) |  |  |  | (6,494)
Reclassification of stranded tax effects in AOCI |  |  |  |  | 638 | (638)
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings (in shares) |  |  | 103,652 |  |  |
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings |  | 534 | $ 534 |  |  |
Stock issued under employee stock purchase plan (in shares) |  |  | 772 |  |  |
Stock issued under employee stock purchase plan |  | 28 | $ 28 |  |  |
Stock issued under employee stock ownership plan (ESOP) (in shares) |  |  | 22,600 |  |  |
Stock issued under employee stock ownership plan |  | 898 | $ 898 |  |  |
Restricted stock granted (in shares) |  |  | 37,040 |  |  |
Restricted stock granted |  | 0 |  |  |  |
Restricted stock surrendered for tax withholdings upon vesting (in shares) |  |  | (1,316) |  |  |
Restricted stock surrendered for tax withholdings upon vesting |  | (45) | $ (45) |  |  |
Restricted stock forfeited / cancelled (in shares) |  |  | (12,056) |  |  |
Stock-based compensation - stock options |  | 566 | $ 566 |  |  |
Stock-based compensation - restricted stock |  | 848 | $ 848 |  |  |
Cash dividends paid on common stock |  | (6,419) |  |  | (6,419) |
Stock purchased by directors under director stock plan (in shares) |  |  | 998 |  |  |
Stock purchased by directors under director stock plan |  | 37 | $ 37 |  |  |
Stock issued in payment of director fees (in shares) |  |  | 5,470 |  |  |
Stock issued in payment of director fees |  | 204 | $ 204 |  |  |
Stock repurchased, net of commissions (in shares) |  |  | (35,886) |  |  |
Stock repurchased, net of commissions |  | (1,539) | $ (1,539) |  |  |
Ending balance (in shares) at Sep. 30, 2018 | [1] |  | 13,964,358 |  |  |
Ending balance at Sep. 30, 2018 |  | 308,603 | $ 145,498 |  | 172,723 | (9,618)
Beginning balance (in shares) at Dec. 31, 2017 |  |  | 13,843,084 |  |  |
Beginning balance at Dec. 31, 2017 |  | $ 297,025 | $ 143,967 |  | 155,544 | (2,486)
Ending balance (in shares) at Dec. 31, 2018 |  | 13,844,353 | 13,844,353 |  |  |
Ending balance at Dec. 31, 2018 |  | $ 316,407 | $ 140,565 |  | 179,944 | (4,102)
Beginning balance (in shares) at Jun. 30, 2018 | [1] |  | 13,983,642 |  |  |
Beginning balance at Jun. 30, 2018 |  | 304,198 | $ 146,195 |  | 166,281 | (8,278)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income |  | 8,680 |  |  | 8,680 |
Other comprehensive income (loss) |  | (1,340) |  |  |  | (1,340)
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings (in shares) |  |  | 3,502 |  |  |
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings |  | 0 | $ 0 |  |  |
Stock issued under employee stock purchase plan (in shares) |  |  | 242 |  |  |
Stock issued under employee stock purchase plan |  | 9 | $ 9 |  |  |
Stock issued under employee stock ownership plan (ESOP) (in shares) |  |  | 6,800 |  |  |
Stock issued under employee stock ownership plan |  | 297 | $ 297 |  |  |
Stock-based compensation - stock options |  | 124 | 124 |  |  |
Stock-based compensation - restricted stock |  | 176 | $ 176 |  |  |
Cash dividends paid on common stock |  | (2,238) |  |  | (2,238) |
Stock purchased by directors under director stock plan (in shares) |  |  | 478 |  |  |
Stock purchased by directors under director stock plan |  | 19 | $ 19 |  |  |
Stock issued in payment of director fees (in shares) |  |  | 2,784 |  |  |
Stock issued in payment of director fees |  | 113 | $ 113 |  |  |
Stock repurchased, net of commissions (in shares) |  |  | (33,090) |  |  |
Stock repurchased, net of commissions |  | (1,435) | $ (1,435) |  |  |
Ending balance (in shares) at Sep. 30, 2018 | [1] |  | 13,964,358 |  |  |
Ending balance at Sep. 30, 2018 |  | $ 308,603 | $ 145,498 |  | 172,723 | (9,618)
Beginning balance (in shares) at Dec. 31, 2018 |  | 13,844,353 | 13,844,353 |  |  |
Beginning balance at Dec. 31, 2018 |  | $ 316,407 | $ 140,565 |  | 179,944 | (4,102)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income |  | 25,162 |  |  | 25,162 |
Other comprehensive income (loss) |  | 9,948 |  |  |  | 9,948
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings (in shares) |  |  | 40,927 |  |  |
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings |  | 572 | $ 572 |  |  |
Stock issued under employee stock purchase plan (in shares) |  |  | 1,016 |  |  |
Stock issued under employee stock purchase plan |  | 40 | $ 40 |  |  |
Stock issued under employee stock ownership plan (ESOP) (in shares) |  |  | 23,200 |  |  |
Stock issued under employee stock ownership plan |  | 935 | $ 935 |  |  |
Restricted stock granted (in shares) |  |  | 29,110 |  |  |
Restricted stock granted |  | 0 |  |  |  |
Restricted stock surrendered for tax withholdings upon vesting (in shares) |  |  | (5,240) |  |  |
Restricted stock surrendered for tax withholdings upon vesting |  | (220) | $ (220) |  |  |
Restricted stock forfeited / cancelled (in shares) |  |  | (17,325) |  |  |
Stock-based compensation - stock options |  | 437 | $ 437 |  |  |
Stock-based compensation - restricted stock |  | 806 | $ 806 |  |  |
Cash dividends paid on common stock |  | (8,107) |  |  | (8,107) |
Stock purchased by directors under director stock plan (in shares) |  |  | 591 |  |  |
Stock purchased by directors under director stock plan |  | 24 | $ 24 |  |  |
Stock issued in payment of director fees (in shares) |  |  | 5,544 |  |  |
Stock issued in payment of director fees |  | 231 | $ 231 |  |  |
Stock repurchased, net of commissions (in shares) |  |  | (313,651) |  |  |
Stock repurchased, net of commissions |  | $ (13,170) | $ (13,170) |  |  |
Ending balance (in shares) at Sep. 30, 2019 |  | 13,608,525 | 13,608,525 | [1] |  |
Ending balance at Sep. 30, 2019 |  | $ 333,065 | $ 130,220 |  | 196,999 | 5,846
Beginning balance (in shares) at Jun. 30, 2019 | [1] |  | 13,659,143 |  |  |
Beginning balance at Jun. 30, 2019 |  | 327,667 | $ 132,151 |  | 190,416 | 5,100
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income |  | 9,448 |  |  | 9,448 |
Other comprehensive income (loss) |  | 746 |  |  |  | 746
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings (in shares) |  |  | 3,452 |  |  |
Stock options exercised, net of shares surrendered for cashless exercises and tax withholdings |  | 101 | $ 101 |  |  |
Stock issued under employee stock purchase plan (in shares) |  |  | 265 |  |  |
Stock issued under employee stock purchase plan |  | 10 | $ 10 |  |  |
Stock issued under employee stock ownership plan (ESOP) (in shares) |  |  | 7,600 |  |  |
Stock issued under employee stock ownership plan |  | 311 | $ 311 |  |  |
Stock-based compensation - stock options |  | 98 | 98 |  |  |
Stock-based compensation - restricted stock |  | 142 | $ 142 |  |  |
Cash dividends paid on common stock |  | (2,865) |  |  | (2,865) |
Stock purchased by directors under director stock plan (in shares) |  |  | 392 |  |  |
Stock purchased by directors under director stock plan |  | 16 | $ 16 |  |  |
Stock issued in payment of director fees (in shares) |  |  | 2,800 |  |  |
Stock issued in payment of director fees |  | 117 | $ 117 |  |  |
Stock repurchased, net of commissions (in shares) |  |  | (65,127) |  |  |
Stock repurchased, net of commissions |  | $ (2,726) | $ (2,726) |  |  |
Ending balance (in shares) at Sep. 30, 2019 |  | 13,608,525 | 13,608,525 | [1] |  |
Ending balance at Sep. 30, 2019 |  | $ 333,065 | $ 130,220 |  | $ 196,999 | $ 5,846
[1] | Share and per share data have been adjusted to reflect the two-for-one stock split effective November 27, 2018.

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