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Stock Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2020
Stock Based Compensation, Unamortized Stock-Based Compensation and Remaining Weighted Average Period | The following tables illustrate the Company’s stock-based compensation, unamortized stock-based compensation, and remaining weighted average amortization period for the three and six months ended June 30, 2020 and 2019.
|  | Stock-Based Compensation for the Three months ended |  |  | Stock-Based Compensation for the Six months ended |  |  | Unamortized Stock-Based Compensation |  |  | Remaining Weighted Average Period (years) |
June 30, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock |  | $ | 702 |  |  | $ | 1,478 |  |  | $ | 3,861 |  |  |  | 1.5 |
Unrestricted Stock |  |  | 118 |  |  |  | 241 |  |  |  | 403 |  |  |  | 0.9 |
Performance-Based Restricted Stock |  |  | 368 |  |  |  | 826 |  |  |  | 1,873 |  |  |  | 1.5 |
Total |  | $ | 1,188 |  |  | $ | 2,545 |  |  | $ | 6,137 |  |  |  |  |
June 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock |  | $ | 981 |  |  | $ | 1,669 |  |  | $ | 8,091 |  |  |  | 2.2 |
Unrestricted Stock |  |  | 99 |  |  |  | 195 |  |  |  | 385 |  |  |  | 0.9 |
Performance-Based Restricted Stock |  |  | 430 |  |  |  | 1,131 |  |  |  | 3,863 |  |  |  | 2.2 |
Total |  | $ | 1,510 |  |  | $ | 2,995 |  |  | $ | 12,339 |  |  |  |  |
Incentive Stock Option Plans | Incentive Stock Option Plans Activity for the three and six months ended June 30, 2020:
|  | Number of Shares |  |  | Weighted Average Price Per Share |
Balance outstanding, December 31, 2019 |  |  | 332,823 |  |  | $ | 9.14 |
Options exercised |  |  | (15,836 | ) |  |  | 8.83 |
Balance outstanding, March 31, 2020 |  |  | 316,987 |  |  |  | 9.16 |
Options exercised |  |  | (9,291 | ) |  |  | 8.27 |
Balance outstanding, June 30, 2020 |  |  | 307,696 |  |  | $ | 9.18 |
Summarized By Exercise Price | Outstanding at June 30, 2020, summarized by exercise price:
|  | Outstanding Weighted Average |  |
Exercise Price Per Share |  | Number of Shares |  |  | Remaining Life (Months) |  |  | Exercise Price |  |
$7.50 |  |  | 177,650 |  |  |  | 5 |  |  | $ | 7.5 |  |
$11.32—$14.49 |  |  | 130,046 |  |  |  | 52 |  |  | $ | 11.48 |  |
|  |  | 307,696 |  |  |  |  |  |  | $ | 9.18 |  |
Performance Based Stock Options |
Incentive Stock Option Plans | Activity for the three and six months ended June 30, 2020:
|  | Number of Shares |  |  | Weighted Average Price Per Share |
Balance outstanding, December 31, 2019 |  |  | 120,782 |  |  | $ | 11.49 |
Options exercised |  |  | (3,035 | ) |  |  | 11.49 |
Balance outstanding, March 31, 2020 and June 30, 2020 |  |  | 117,747 |  |  | $ | 11.49 |
Restricted and Unrestricted Stock |
Summary of Non-Vested Shares | Restricted and Unrestricted Stock — A summary of non-vested shares as of, and for, the three and six months ended June 30, 2020 and 2019 is presented below:
|  | Six Months Ended June 30, 2020 |  |  | Six Months Ended June 30, 2019 |
|  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |  |  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |
Nonvested shares at December 31st |  |  | 719,845 |  |  | $ | 17.67 |  |  |  | 587,210 |  |  | $ | 17.59 |
Granted |  |  | 4,185 |  |  |  | 18.63 |  |  |  | 290,679 |  |  |  | 17.34 |
Vested |  |  | (213,781 | ) |  |  | 16.18 |  |  |  | (105,582 | ) |  |  | 15.21 |
Forfeited |  |  | (14,715 | ) |  |  | 18.08 |  |  |  | (6,589 | ) |  |  | 17.69 |
Nonvested shares at March 31st |  |  | 495,534 |  |  |  | 18.31 |  |  |  | 765,718 |  |  |  | 17.77 |
Granted |  |  | 43,168 |  |  |  | 13.45 |  |  |  | 40,522 |  |  |  | 13.34 |
Vested |  |  | (37,958 | ) |  |  | 13.88 |  |  |  | (32,771 | ) |  |  | 13.35 |
Forfeited |  |  | (8,221 | ) |  |  | 18.64 |  |  |  | (21,184 | ) |  |  | 17.77 |
Nonvested shares at June 30th |  |  | 492,523 |  |  | $ | 18.22 |  |  |  | 752,285 |  |  | $ | 17.72 |
Performance Based Restricted Stock |
Summary of Non-Vested Shares | Performance-Based Restricted Stock — A summary of non-vested performance-based shares as of, and for, the three and six months ended June 30, 2020 and 2019, respectively is presented below:
|  | Six Months Ended June 30, 2020 |  |  | Six Months Ended June 30, 2019 |
|  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |  |  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |
Nonvested shares at December 31st |  |  | 345,432 |  |  | $ | 16.92 |  |  |  | 287,077 |  |  | $ | 16.87 |
Granted |  |  | — |  |  |  | — |  |  |  | 137,557 |  |  |  | 16.47 |
Additional granted based on performance achievement |  |  | 76,445 |  |  |  | 16.56 |  |  |  | 41,568 |  |  |  | 12.88 |
Vested |  |  | (184,785 | ) |  |  | 15.87 |  |  |  | (90,872 | ) |  |  | 14.73 |
Forfeited |  |  | (3,759 | ) |  |  | 17.23 |  |  |  | (3,543 | ) |  |  | 15.98 |
Nonvested shares at March 31st |  |  | 233,333 |  |  |  | 17.63 |  |  |  | 371,787 |  |  |  | 16.81 |
Forfeited |  |  | (2,268 | ) |  |  | 18.00 |  |  |  | (14,022 | ) |  |  | 17.11 |
Nonvested shares at June 30th |  |  | 231,065 |  |  | $ | 17.63 |  |  |  | 357,765 |  |  | $ | 16.80 |

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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