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EMPLOYEE STOCK COMPENSATION (Tables) | 12 Months Ended
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Dec. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs | The following table presents stock-based compensation expense and the related tax benefits for the periods indicated:
|  | Year Ended December 31,
($ in thousands) |  | 2018 |  | 2017 |  | 2016
Stock options |  | $ | 174 |  |  | $ | 360 |  |  | $ | 531 |
Restricted stock awards and units |  | 6,391 |  |  | 11,732 |  |  | 11,398 |
Stock appreciation rights |  | — |  |  | 42 |  |  | 18 |
Total stock-based compensation expense |  | $ | 6,565 |  |  | $ | 12,134 |  |  | $ | 11,947 |
Related tax benefits |  | $ | 1,929 |  |  | $ | 5,078 |  |  | $ | 4,963 |
Unrecognized Share-Based Compensation Expense | The following table presents unrecognized stock-based compensation expense as of December 31, 2018:
($ in thousands) |  | Unrecognized Expense |  | Weighted-Average Remaining Expected Recognition Period
Stock option awards |  | $ | 148 |  |  | 1.4 years
Restricted stock awards and restricted stock units |  | 9,037 |  |  | 2.2 years
Total |  | $ | 9,185 |  |  | 2.2 years
Schedule of Stock Options | The weighted-average estimated fair value per share options granted was estimated on the date of grant using the Black-Scholes option-pricing model with the following weighted-average assumptions.
|  | Year Ended December 31,
($ in thousands, except per share data) |  | 2018 |  | 2017 |  | 2016
Granted date fair value of options granted |  | $ | — |  |  | $ | — |  |  | $ | 1,630 |
Fair value of options vested |  | $ | 160 |  |  | $ | 611 |  |  | $ | 497 |
Total intrinsic value of options exercised |  | $ | 96 |  |  | $ | 3,747 |  |  | $ | 722 |
Cash received from options exercised |  | $ | — |  |  | $ | 2,043 |  |  | $ | — |
Weighted-average estimated fair value per share of options granted |  | $ | — |  |  | $ | — |  |  | $ | 5.09 |
Weighted Average Fair Value Assumptions | The following table presents a summary of weighted-average assumptions used for calculating fair value options for the periods indicated:
|  | Year Ended December 31,
|  | 2018 |  | 2017 |  | 2016
Dividend yield |  | — | % |  | — | % |  | 3.57 | %
Expected volatility |  | — | % |  | — | % |  | 43.30 | %
Expected term |  | 0.0 years |  |  | 0.0 years |  |  | 6.5 years |
Risk-free interest rate |  | — | % |  | — | % |  | 1.61 | %
Option Activity | The following table represents stock option activity and weighted-average exercise price per share for the periods indicated:
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
| Number of Shares |  | Weighted-Average Exercise Price per Share |  | Number of Shares |  | Weighted-Average Exercise Price per Share |  | Number of Shares |  | Weighted-Average Exercise Price per Share
Outstanding at beginning of year | 210,973 |  |  | $ | 13.99 |  |  | 968,591 |  |  | $ | 13.95 |  |  | 960,879 |  |  | $ | 12.86 |
Granted | — |  |  | $ | — |  |  | — |  |  | $ | — |  |  | 320,000 |  |  | $ | 16.78 |
Cash settled | — |  |  | $ | — |  |  | — |  |  | $ | — |  |  | 55,826 |  |  | $ | 14.33 |
Exercised | (24,000 | ) |  | $ | 17.50 |  |  | (488,281 | ) |  | $ | 12.53 |  |  | (51,666 | ) |  | $ | 11.48 |
Forfeited | — |  |  | $ | — |  |  | (269,337 | ) |  | $ | 16.49 |  |  | (202,743 | ) |  | $ | 13.84 |
Expired | — |  |  | $ | — |  |  | — |  |  | $ | — |  |  | (2,053 | ) |  | $ | 13.88 |
Outstanding at end of year | 186,973 |  |  | $ | 13.54 |  |  | 210,973 |  |  | $ | 13.99 |  |  | 968,591 |  |  | $ | 13.95 |
Exercisable at end of year | 123,125 |  |  | $ | 13.67 |  |  | 105,541 |  |  | $ | 14.68 |  |  | 449,655 |  |  | $ | 12.68 |
Nonvested Share | The following table represents changes in unvested stock options and related information as of and for the periods indicated:
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
| Number of Shares |  | Weighted-Average Exercise Price per Share |  | Number of Shares |  | Weighted-Average Exercise Price per Share |  | Number of Shares |  | Weighted-Average Exercise Price per Share
Outstanding at beginning of year | 105,432 |  |  | $ | 13.31 |  |  | 518,936 |  |  | $ | 15.04 |  |  | 566,266 |  |  | $ | 12.99 |
Granted | — |  |  | $ | — |  |  | — |  |  | $ | — |  |  | 320,000 |  |  | $ | 16.77 |
Vested | (41,584 | ) |  | $ | 13.32 |  |  | (174,833 | ) |  | $ | 14.10 |  |  | (170,837 | ) |  | $ | 12.81 |
Forfeited | — |  |  | $ | — |  |  | (238,671 | ) |  | $ | 16.50 |  |  | (196,493 | ) |  | $ | 13.86 |
Outstanding at end of year | 63,848 |  |  | $ | 13.30 |  |  | 105,432 |  |  | $ | 13.31 |  |  | 518,936 |  |  | $ | 15.04 |
Summary of Stock Options Outstanding | The following table presents a summary of stock options outstanding as of December 31, 2018:
| Options Outstanding |  | Options Exercisable
| Number of Shares |  | Intrinsic Value |  | Weighted-Average Exercise Price per Share |  | Weighted-Average Remaining Contractual Life |  | Number of Shares |  | Intrinsic Value |  | Weighted-Average Exercise Price per Share |  | Weighted-Average Remaining Contractual Life
$10.90 to $11.88 | 7,344 |  |  | $ | 17,699 |  |  | $ | 10.90 |  |  | 5.5 years |  | 6,240 |  |  | $ | 15,038 |  |  | $ | 10.90 |  |  | 5.5 years
$11.88 to $12.86 | — |  |  | — |  |  | $ | — |  |  | 0.0 years |  | — |  |  | — |  |  | $ | — |  |  | 0.0 years
$12.86 to $13.84 | 163,464 |  |  | 2,320 |  |  | $ | 13.44 |  |  | 6.1 years |  | 100,720 |  |  | 1,200 |  |  | $ | 13.50 |  |  | 6.0 years
$13.84 to $14.82 | — |  |  | — |  |  | $ | — |  |  | 0.0 years |  | — |  |  | — |  |  | $ | — |  |  | 0.0 years
$14.82 to $15.82 | 16,165 |  |  | — |  |  | $ | 15.81 |  |  | 2.5 years |  | 16,165 |  |  | — |  |  | $ | 15.81 |  |  | 2.5 years
Total | 186,973 |  |  | $ | 20,019 |  |  | $ | 13.54 |  |  | 5.8 years |  | 123,125 |  |  | $ | 16,238 |  |  | $ | 13.67 |  |  | 5.5 years
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 periods indicated:
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
| Number of Shares |  | Weighted-Average Price per Share |  | Number of Shares |  | Weighted-Average Price per Share |  | Number of Shares |  | Weighted-Average Price per Share
Outstanding at beginning of year | 911,633 |  |  | $ | 18.73 |  |  | 1,417,144 |  |  | $ | 16.16 |  |  | 1,516,361 |  |  | $ | 12.40 |
Granted (1) | 650,676 |  |  | $ | 18.89 |  |  | 859,722 |  |  | $ | 20.81 |  |  | 1,711,968 |  |  | $ | 17.99 |
Vested (2) | (415,994 | ) |  | $ | 18.65 |  |  | (854,031 | ) |  | $ | 15.95 |  |  | (758,999 | ) |  | $ | 13.12 |
Forfeited (3) | (312,714 | ) |  | $ | 18.54 |  |  | (511,202 | ) |  | $ | 17.80 |  |  | (1,052,186 | ) |  | $ | 13.92 |
Outstanding at end of year | 833,601 |  |  | $ | 18.96 |  |  | 911,633 |  |  | $ | 18.73 |  |  | 1,417,144 |  |  | $ | 16.16 |
(1) | The number of granted shares includes aggregate performance-based shares/units of 306,801, 152,709 and 602,671, respectively, for the years ended December 31, 2018, 2017 and 2016.
(2) | The number of vested shares includes aggregate performance-based shares/units of 44,817, 10,000 and 0, respectively, for the years ended December 31, 2018, 2017 and 2016
(3) | The number of forfeited shares includes aggregate performance-based shares/units of 86,936, 107,545 and 615,223, respectively, for the years ended December 31, 2018, 2017 and 2016.
Summary of all Outstanding SARs | The following table represents SARs activity and the weighted-average exercise price per share for the periods indicated:
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
| Number of Shares |  | Weighted-Average Exercise Price per Share |  | Number of Shares |  | Weighted-Average Exercise Price per Share |  | Number of Shares |  | Weighted-Average Exercise Price per Share
Outstanding at beginning of year | 1,559,012 |  |  | $ | 11.60 |  |  | 1,559,047 |  |  | $ | 11.60 |  |  | 1,561,681 |  |  | $ | 11.60 |
Granted | — |  |  | $ | — |  |  | — |  |  | $ | — |  |  | — |  |  | $ | — |
Exercised | — |  |  | $ | — |  |  | — |  |  | $ | — |  |  | — |  |  | $ | — |
Forfeited | — |  |  | $ | — |  |  | (35 | ) |  | $ | 10.09 |  |  | (2,634 | ) |  | $ | 10.09 |
Outstanding at end of year | 1,559,012 |  |  | $ | 11.60 |  |  | 1,559,012 |  |  | $ | 11.60 |  |  | 1,559,047 |  |  | $ | 11.60 |
Exercisable at end of year | 1,559,012 |  |  | $ | 11.60 |  |  | 1,559,012 |  |  | $ | 11.60 |  |  | 1,550,978 |  |  | $ | 11.61 |
The following table represents changes in unvested SARs and related information as of and for the periods indicated:
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
| Number of Shares |  | Weighted-Average Exercise Price per Share |  | Number of Shares |  | Weighted-Average Exercise Price per Share |  | Number of Shares |  | Weighted-Average Exercise Price per Share
Outstanding at beginning of year | — |  |  | $ | — |  |  | 8,069 |  |  | $ | 10.09 |  |  | 25,963 |  |  | $ | 10.09 |
Granted | — |  |  | $ | — |  |  | — |  |  | $ | — |  |  | — |  |  | $ | — |
Vested | — |  |  | $ | — |  |  | (8,034 | ) |  | $ | 10.09 |  |  | (15,260 | ) |  | $ | 10.09 |
Forfeited | — |  |  | $ | — |  |  | (35 | ) |  | $ | 10.09 |  |  | (2,634 | ) |  | $ | 10.09 |
Outstanding at end of year | — |  |  | $ | — |  |  | — |  |  | $ | — |  |  | 8,069 |  |  | $ | 10.09 |

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