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Stock-Based Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Option Pricing Assumptions and Estimated Fair Value | The following table presents the option pricing assumptions and the estimated fair value of the options using these assumptions for grants made for the year ended:
| December 31,
| 2019 |  | 2018 |  | 2017
Weighted-average dividend yield | N/A |  | 2.36 | % |  | N/A
Weighted-average risk-free interest rate | N/A |  | 2.38 | % |  | N/A
Weighted-average expected volatility | N/A |  | 22.80 | % |  | N/A
Weighted-average expected life (in years) | N/A |  | 5.3 |  |  | N/A
Weighted-average fair value of options granted | N/A |  | $ | 7.78 |  |  | N/A
Schedule of Stock Option Activity | Stock option activity for the year ended December 31, 2019 was as follows:
(Dollars in thousands, except per option data) |  | Number of Options |  | Weighted-Average Exercise Price per Option |  | Weighted-Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value
Options outstanding at January 1, 2019 |  | 27,352 |  |  | $ | 22.53 |  |  |  |  |
Granted |  | — |  |  | — |  |  |  |  |  |
Exercised |  | (13,745 | ) |  | 21.39 |  |  |  |  |  |
Forfeited |  | — |  |  | — |  |  |  |  |
Expired |  | — |  |  | — |  |  |  |  |
Options outstanding at December 31, 2019 |  | 13,607 |  |  | $ | 23.69 |  |  | 3.3 |  | $ | 304 |
Options exercisable at December 31, 2019 |  | 11,757 |  |  | $ | 22.21 |  |  | 2.8 |  | $ | 280 |
A summary of the status of the Company’s nonvested stock options as of December 31, 2019 and changes during the year then ended was as follows:
| Options |  | Weighted-Average Grant Date Fair Value per Option
Nonvested at January 1, 2019 | 3,100 |  |  | $ | 6.32 |
Granted | — |  |  | — |
Vested | (1,250 | ) |  | 6.09 |
Forfeited | — |  |  | — |
Nonvested at December 31, 2019 | 1,850 |  |  | $ | 6.48 |
Schedule of Compensation Expense | Compensation expense and the related tax benefit recognized in connection with the DCRP was as follows for the periods presented:
|  | For The Year Ended December 31,
(In thousands) |  | 2019 |  | 2018 |  | 2017
Compensation expense |  | $ | 110 |  |  | $ | 106 |  |  | $ | 97 |
Related income tax benefit |  | 24 |  |  | 23 |  |  | 21 |
Fair value of grants vested |  | 102 |  |  | 105 |  |  | 90 |
Compensation expense and the related income tax benefit recognized in connection with the restricted stock units was as follows for the periods indicated:
|  | For The Year Ended December 31,
(In thousands) |  | 2019 |  | 2018 |  | 2017
Compensation expense |  | $ | 389 |  |  | $ | 263 |  |  | $ | 124 |
Income tax benefit |  | 84 |  |  | 57 |  |  | 27 |
Fair value of grants vested |  | 302 |  |  | 149 |  |  | — |
Compensation expense and the related income tax benefit recognized in connection with the MSPP awards was as follows for the periods indicated:
|  | For The Year Ended December 31,
(In thousands) |  | 2019 |  | 2018 |  | 2017
Compensation expense |  | $ | 95 |  |  | $ | 104 |  |  | $ | 97 |
Income tax benefit |  | 20 |  |  | 22 |  |  | 21 |
Fair value of grants vested |  | 75 |  |  | 130 |  |  | 91 |
Compensation expense and the related tax benefit for the LTIP's performance-based awards was as follows for the periods indicated:
|  | For The Year Ended December 31,
(In thousands) |  | 2019 |  | 2018 |  | 2017
Compensation expense |  | $ | 532 |  |  | $ | 291 |  |  | $ | 370 |
Related income tax benefit |  | 114 |  |  | 63 |  |  | 80 |
Fair value of grants vested |  | 344 |  |  | 284 |  |  | 843 |
Compensation expense and the related income tax benefit recognized in connection with the restricted stock awards was as follows for the periods indicated:
|  | For The Year Ended December 31,
(In thousands) |  | 2019 |  | 2018 |  | 2017
Compensation expense |  | $ | 751 |  |  | $ | 916 |  |  | $ | 762 |
Income tax benefit |  | 161 |  |  | 197 |  |  | 164 |
Fair value of grants vested |  | 780 |  |  | 931 |  |  | 702 |
Summary of Nonvested Share Awards Activity | Restricted stock award activity for the year ended December 31, 2019 is as follows:
(Dollars in thousands, except per share data) |  | Number of Shares |  | Weighted-Average Grant Date Fair Value per Share |  | Weighted-Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value |  | Unrecognized Compensation
Nonvested at January 1, 2019 |  | 22,781 |  |  | $ | 38.21 |  |  |  |  |  |  |  |
Granted |  | 16,347 |  |  | 44.30 |  |  |  |  |  |  |  |
Vested |  | (19,420 | ) |  | 40.16 |  |  |  |  |  |  |
Forfeited |  | (421 | ) |  | 27.20 |  |  |  |  |  |  |
Nonvested at December 31, 2019 |  | 19,287 |  |  | $ | 41.66 |  |  | 1.6 |  | $ | 888 |  |  | $ | 492 |
DCRP award activity for the year ended December 31, 2019 was as follows:
(Dollars in thousands, except per award data) |  | Number of Deferred Stock Awards |  | Weighted-Average Grant Date Fair Value per Award |  | Weighted-Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value |  | Unrecognized Compensation
Nonvested at January 1, 2019 |  | 9,970 |  |  | $ | 28.16 |  |  |  |  |  |  |  |
Granted |  | 3,542 |  |  | 43.26 |  |  |  |  |  |  |  |
Vested |  | (2,861 | ) |  | 35.74 |  |  |  |  |  |  |
Forfeited |  | — |  |  | — |  |  |  |  |  |  |
Nonvested at December 31, 2019 |  | 10,651 |  |  | $ | 31.14 |  |  | 10.3 |  | $ | 491 |  |  | $ | 255 |
LTIP performance-based award activity for the year ended December 31, 2019 was as follows:
(Dollars in thousands, except per share data) |  | Number of Shares |  | Weighted-Average Grant Date Fair Value per Share |  | Weighted-Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value |  | Unrecognized Compensation
Nonvested at January 1, 2019 |  | 26,377 |  |  | $ | 44.28 |  |  |  |  |  |  |  |
Granted |  | 14,186 |  |  | 43.98 |  |  |  |  |  |  |  |
Vested |  | (7,811 | ) |  | 43.99 |  |  |  |  |  |  |
Forfeited |  | (4,987 | ) |  | 43.99 |  |  |  |  |  |  |
Nonvested at December 31, 2019 |  | 27,765 |  |  | $ | 44.26 |  |  | 1.6 |  | $ | 1,279 |  |  | $ | 455 |
MSPP award activity for the year ended December 31, 2019 was as follows:
(Dollars in thousands, except per share data) |  | Number of Shares |  | Weighted-Average Grant Date Fair Value per Share |  | Weighted-Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value |  | Unrecognized Compensation
Nonvested at January 1, 2019 |  | 13,013 |  |  | $ | 14.35 |  |  |  |  |  |  |  |
Granted |  | 7,741 |  |  | 11.01 |  |  |  |  |  |  |  |
Vested |  | (5,516 | ) |  | 13.65 |  |  |  |  |  |  |
Forfeited |  | (223 | ) |  | 14.23 |  |  |  |  |  |  |
Nonvested at December 31, 2019 |  | 15,015 |  |  | $ | 12.89 |  |  | 0.7 |  | $ | 219 |  |  | $ | 57 |
Restricted stock unit activity for the year ended December 31, 2019 was as follows:
(Dollars in thousands, except per unit data) |  | Number of Units |  | Weighted-Average Grant Date Fair Value per Unit |  | Weighted-Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value |  | Unrecognized Compensation
Nonvested at January 1, 2019 |  | 30,225 |  |  | $ | 44.23 |  |  |  |  |  |  |  |
Granted |  | 15,138 |  |  | 43.40 |  |  |  |  |  |  |  |
Vested |  | (6,854 | ) |  | 44.12 |  |  |  |  |  |  |
Forfeited |  | (2,457 | ) |  | 43.99 |  |  |  |  |  |  |
Nonvested at December 31, 2019 |  | 36,052 |  |  | $ | 43.92 |  |  | 3.3 |  | $ | 1,661 |  |  | $ | 1,258 |

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