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EMPLOYEE STOCK COMPENSATION (Tables) | 9 Months Ended
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Sep. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Summary of Share-Based Compensation Expense | The following table presents share-based compensation expense and the related tax benefits for the periods indicated:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2017 |  | 2016 |  | 2017 |  | 2016
| (In thousands)
Stock options | $ | 36 |  |  | $ | 103 |  |  | $ | 703 |  |  | $ | 400 |
Restricted stock awards and units | 2,185 |  |  | 2,716 |  |  | 9,167 |  |  | 8,110 |
Stock appreciation rights | — |  |  | 2 |  |  | 42 |  |  | 17 |
Total share-based compensation expense | $ | 2,221 |  |  | $ | 2,821 |  |  | $ | 9,912 |  |  | $ | 8,527 |
Related tax benefits | $ | 927 |  |  | $ | 1,172 |  |  | $ | 4,122 |  |  | $ | 3,543 |
Unrecognized Share-Based Compensation Expense | The following table presents unrecognized share-based compensation expense as of September 30, 2017:
| September 30, 2017
| Unrecognized Expense |  | Weighted-Average Remaining Expected Recognition Period
| ($ in thousands)
Stock option awards | $ | 662 |  |  | 3.1 years
Restricted stock awards and restricted stock units | 11,049 |  |  | 2.5 years
Total | $ | 11,711 |  |  | 2.5 years
Option Activity | The following table represents stock option activity as of and for the three months ended September 30, 2017:
| Three Months Ended September 30, 2017
| Number of Shares |  | Weighted-Average Exercise Price Per Share |  | Weighted-Average Remaining Contract Term |  | Aggregated Intrinsic Value (In thousands)
Outstanding at beginning of period | 740,805 |  |  | $ | 13.80 |  |  | 7.1 years |  | $ | 5,702 |
Exercised | (257,495 | ) |  | $ | 12.72 |  |  | 6.3 years |  |  |
Forfeited | (77,337 | ) |  | $ | 13.97 |  |  | 7.3 years |  |  |
Outstanding at end of period | 405,973 |  |  | $ | 14.46 |  |  | 7.1 years |  | $ | 2,555 |
Exercisable at end of period | 204,541 |  |  | $ | 13.62 |  |  | 6.2 years |  | $ | 1,458 |
The following table represents stock option activity as of and for the nine months ended September 30, 2017:
| Nine Months Ended September 30, 2017
| Number of Shares |  | Weighted-Average Exercise Price Per Share |  | Weighted-Average Remaining Contract Term |  | Aggregated Intrinsic Value (In thousands)
Outstanding at beginning of period | 968,591 |  |  | $ | 13.95 |  |  | 6.4 years |  | $ | 3,336 |
Exercised | (389,281 | ) |  | $ | 12.54 |  |  | 6.1 years |  |
Forfeited | (173,337 | ) |  | $ | 15.92 |  |  | 8.1 years |  |
Outstanding at end of period | 405,973 |  |  | $ | 14.46 |  |  | 7.1 years |  | $ | 2,555 |
Exercisable at end of period | 204,541 |  |  | $ | 13.62 |  |  | 6.2 years |  | $ | 1,458 |
Nonvested Share | The following table represents changes in unvested stock options as of and for the three and nine months ended September 30, 2017:
| Three Months Ended September 30, 2017 |  | Nine Months Ended September 30, 2017
| Number of Shares |  | Weighted-Average Exercise Price Per Share |  | Number of Shares |  | Weighted-Average Exercise Price Per Share
Outstanding at beginning of period | 265,730 |  |  | $ | 14.65 |  |  | 518,936 |  |  | $ | 15.04 |
Vested | (17,627 | ) |  | $ | 13.03 |  |  | (174,833 | ) |  | $ | 14.10 |
Forfeited | (46,671 | ) |  | $ | 12.41 |  |  | (142,671 | ) |  | $ | 15.84 |
Outstanding at end of period | 201,432 |  |  | $ | 15.31 |  |  | 201,432 |  |  | $ | 15.31 |
Restricted Stock and Restricted Stock Units Activity | The following table presents unvested restricted stock awards and restricted stock units activity as of and for the three and nine months ended September 30, 2017:
| Three Months Ended September 30, 2017 |  | Nine Months Ended September 30, 2017
| Number of Shares |  | Weighted Average Grant Date Fair Value Per Share |  | Number of Shares |  | Weighted Average Grant Date Fair Value Per Share
Outstanding at beginning of period | 1,050,314 |  |  | $ | 17.85 |  |  | 1,417,144 |  |  | $ | 16.16 |
Granted (1) | 181,630 |  |  | $ | 21.08 |  |  | 814,856 |  |  | $ | 20.81 |
Vested | (76,380 | ) |  | $ | 15.42 |  |  | (793,328 | ) |  | $ | 15.95 |
Forfeited (1) | (169,743 | ) |  | $ | 19.09 |  |  | (452,851 | ) |  | $ | 17.93 |
Outstanding at end of period | 985,821 |  |  | $ | 18.34 |  |  | 985,821 |  |  | $ | 18.34 |
(1) | The number of granted shares/units includes aggregate performance-based shares of 117,709 and 152,709, respectively, for the three and nine months ended September 30, 2017. The number of forfeited shares includes aggregate performance-based shares of 60,419 for the three and nine months ended September 30, 2017. The vesting of these awards is subject to certain performance targets and goals being met. These performance targets include conditions relating to the Company’s profitability and regulatory standing. The actual amounts of stock released upon vesting will be determined by the Compensation Committee of the Company's Board of Directors upon the Committee's certification of the satisfaction of the target level of performance.
Summary of all Outstanding SARs | The following table represents SARs activity as of and for the three months ended September 30, 2017:
| Three Months Ended September 30, 2017
| Number of Shares |  | Weighted-Average Exercise Price Per Share |  | Weighted-Average Remaining Contract Term |  | Aggregated Intrinsic Value (In thousands)
Outstanding at beginning of period | 1,559,012 |  |  | $ | 11.60 |  |  | 5.1 years |  | $ | 15,430 |
Outstanding at end of period | 1,559,012 |  |  | $ | 11.60 |  |  | 4.9 years |  | $ | 14,261 |
Exercisable at end of period | 1,559,012 |  |  | $ | 11.60 |  |  | 4.9 years |  | $ | 14,261 |
The following table represents SARs activity as of and for the nine months ended September 30, 2017:
| Nine Months Ended September 30, 2017
| Number of Shares |  | Weighted-Average Exercise Price Per Share |  | Weighted-Average Remaining Contract Term |  | Aggregated Intrinsic Value (In thousands)
Outstanding at beginning of period | 1,559,047 |  |  | $ | 11.60 |  |  | 5.6 years |  | $ | 8,961 |
Forfeited | (35 | ) |  | $ | 10.09 |  |  | 4.9 years |  |
Outstanding at end of period | 1,559,012 |  |  | $ | 11.60 |  |  | 4.9 years |  | $ | 14,261 |
Exercisable at end of period | 1,559,012 |  |  | $ | 11.60 |  |  | 4.9 years |  | $ | 14,261 |
The following table represents changes in unvested SARs as of and for the three and nine months ended September 30, 2017:
| Three Months Ended September 30, 2017 |  | Nine Months Ended September 30, 2017
| Number of Shares |  | Weighted-Average Exercise Price Per Share |  | Number of Shares |  | Weighted-Average Exercise Price Per Share
Outstanding at beginning of period | — |  |  | $ | — |  |  | 8,069 |  |  | $ | 10.09 |
Vested | — |  |  | $ | — |  |  | (8,034 | ) |  | $ | 10.09 |
Forfeited | — |  |  | $ | — |  |  | (35 | ) |  | $ | 10.09 |
Outstanding at end of period | — |  |  | $ | — |  |  | — |  |  | $ | — |

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