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UNAUDITED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Shares Held Under Employee Participation Plan | Additional Paid-in Capital | Accumulated Other Comprehensive Loss | Accumulated Earnings
--- | --- | --- | --- | --- | --- | ---
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Cumulative effect of change in accounting for stock based compensation | $ 231 |  |  | $ 681 |  | $ (450)
Balance at beginning of period at Dec. 31, 2016 | 1,084,241 | $ 573 | $ (469) | 725,670 | $ (214,326) | 572,793
Balance beginning of period (in shares) at Dec. 31, 2016 |  | 57,298 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Net income (loss) | 4,487 |  |  |  |  | 4,487
Other comprehensive income | 21,149 |  |  |  | 21,149 |
Stock-based compensation | 5,172 |  |  | 5,172 |  |
Issuance of restricted shares, net of shares remitted | (2,132) | $ 1 |  | (2,133) |  |
Issuance of restricted shares, net of shares remitted (in shares) |  | 93 |  |  |  |
Shares held under employee participation plan | 0 | $ 0 | 469 | (469) |  |
Shares held under employee participation plan (in shares) |  | (25) |  |  |  |
Repurchases of common stock | $ (12,257) | $ (2) |  | (12,255) |  |
Repurchases of common stock (in shares) | (200) | (214) |  |  |  |
Exercise of stock options | $ 46 |  |  | 46 |  |
Exercise of stock options (in shares) |  | 2 |  |  |  |
Balance at end of period at Jun. 30, 2017 | $ 1,100,937 | $ 572 | $ 0 | $ 716,712 | $ (193,177) | $ 576,830
Balance ending of period (in shares) at Jun. 30, 2017 |  | 57,154 |  |  |  |

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