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Stock-Based Compensation | 12 Months Ended
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Dec. 31, 2019
Share-based Payment Arrangement, Noncash Expense [Abstract] |
Stock-Based Compensation | Stock-Based Compensation The Company recognizes compensation expense for all share-based payments granted for the years ended December 31, 2019, 2018 and 2017 based on the grant-date fair value estimated in accordance with the provisions of ASC 718-10. Compensation expense is recognized on a straight-line basis over the options’ or other awards’ estimated lives for fixed awards with ratable vesting provisions. Under the Company’s 2012 Incentive Plan (“2012 Plan”), the Company reserved up to a maximum of 3,200 shares of common stock for issuance upon the grant or exercise of stock options, restricted stock, restricted stock units (“RSUs”) and other types of awards, to directors and key employees through December 31, 2022. Option awards are granted with an exercise price equal to the market price of the Company’s common stock on the date of the grant and generally vest between three and five years with a 10-year contractual term. The grant date fair value of restricted stock and RSUs is equal to the market price of the Company’s common stock on the date of the grant and generally vest between three and five years. On May 19, 2017, the Company’s stockholders approved the 2017 Long-Term Incentive Plan (“2017 Plan”), which allows the Company to reserve up to a maximum of 3,000 shares of common stock for issuance upon the grant or exercise of awards under the 2017 Plan. No additional awards may be granted under the 2012 Plan after May 19, 2017. Stock Option Plans Additional information relating to the Company’s stock option plans follows:
| 2019 |  | 2018 |  | 2017
Options outstanding at beginning of year | 63 |  |  | 63 |  |  | 91 |
Options exercised | — |  |  | — |  |  | (28 | )
Options forfeited and expired | — |  |  | — |  |  | — |
Options outstanding at end of year | 63 |  |  | 63 |  |  | 63 |
Options exercisable at end of year | 63 |  |  | 63 |  |  | 63 |
Option prices per share: |  |  |  |  |
Options exercised during the year | $ | — |  |  | — |  |  | 57.34-66.14 |
Options forfeited and expired during the year | $ | — |  |  | — |  |  | — |
Options outstanding at end of year | 57.34-66.14 |  |  | 57.34-66.14 |  |  | 57.34-66.14 |
Options exercisable at end of year | 57.34-66.14 |  |  | 57.34-66.14 |  |  | 57.34-66.14 |
A summary of the Company’s options under it’s long-term incentive plans as of December 31, 2019, and changes during the year then ended is presented as follows:
| Shares |  | Weighted average exercise price |  | Weighted average remaining contractual term (years) |  | Aggregate intrinsic value
Options outstanding, December 31, 2018 | 63 |  |  | $ | 62.86 |  |  |  |  |
Granted | — |  |  | — |  |  |  |  |
Exercised | — |  |  | — |  |  |  |  |
Forfeited and expired | — |  |  | — |  |  |  |  |
Options outstanding, December 31, 2019 | 63 |  |  | $ | 62.86 |  |  | 1.8 |  | $ | 4,640 |
Vested and expected to vest as of December 31, 2019 | 63 |  |  | $ | 62.86 |  |  | 1.8 |  | $ | 4,640 |
Exercisable as of December 31, 2019 | 63 |  |  | $ | 62.86 |  |  | 1.8 |  | $ | 4,640 |
The Company has not granted options since the year ended December 31, 2012. The total intrinsic value of options exercised during the years ended December 31, 2019, 2018, and 2017 was $0, $0 and $5,005, respectively. Total compensation expense recognized for the years ended December 31, 2019, 2018 and 2017 was $0 ($0, net of tax), $0 ($0, net of tax) and $6 ($4, net of tax), respectively, which was allocated to selling, general and administrative expenses. The remaining unamortized expense for non-vested compensation expense as of December 31, 2019 was $0. The following table summarizes information about the Company’s stock options outstanding as of December 31, 2019:
| Outstanding |  | Exercisable
Exercise price range | Number of shares |  | Average life |  | Average price |  | Number of shares |  | Average price
$57.34-$57.34 | 23 |  |  | 1.15 |  | 57.34 |  |  | 23 |  |  | 57.34 |
$66.14-$66.14 | 40 |  |  | 2.14 |  | 66.14 |  |  | 40 |  |  | 66.14 |
Total | 63 |  |  | 1.77 |  | $ | 62.86 |  |  | 63 |  |  | $ | 62.86 |
Restricted Stock Plans A summary of the Company’s RSUs under the Company’s long-term incentive plans as of December 31, 2019, and changes during the year then ended is presented as follows:
| Shares |  | Weighted average grant date fair value |  | Weighted average remaining contractual term (years) |  | Aggregate intrinsic value
Restricted Stock Units outstanding, December 31, 2018 | 446 |  |  | $ | 166.56 |  |  |  |  |
Granted | 187 |  |  | 137.30 |  |  |  |  |
Released | (230 | ) |  | 152.00 |  |  |  |  |
Forfeited | (41 | ) |  | 189.23 |  |  |  |  |
Restricted Stock Units outstanding, December 31, 2019 | 362 |  |  | $ | 158.13 |  |  | 1.3 |  | $ | 48,914 |
Expected to vest as of December 31, 2019 | 356 |  |  |  |  | 1.3 |  | $ | 48,060 |
The Company recognized stock-based compensation costs related to the issuance of RSUs of $23,620 ($17,479, net of taxes), $31,382 ($24,436, net of taxes) and $36,316 ($22,037, net of taxes) for the years ended December 31, 2019, 2018 and 2017, respectively, which has been allocated to selling, general and administrative expenses. Pre-tax unrecognized compensation expense for unvested RSUs granted to employees, net of estimated forfeitures, was $20,598 as of December 31, 2019, and will be recognized as expense over a weighted-average period of approximately 1.67 years. Additional information relating to the Company’s RSUs under the Company’s long-term incentive plans are as follows:
| 2019 |  | 2018 |  | 2017
Restricted Stock Units outstanding, January 1 | 446 |  |  | 555 |  |  | 695 |
Granted | 187 |  |  | 136 |  |  | 154 |
Released | (230 | ) |  | (235 | ) |  | (284 | )
Forfeited | (41 | ) |  | (10 | ) |  | (10 | )
Restricted Stock Units outstanding, December 31 | 362 |  |  | 446 |  |  | 555 |
Expected to vest as of December 31 | 356 |  |  | 440 |  |  | 546 |
During 2019, 2018 and 2017, a total of 1 shares were awarded each year to certain non-employee directors in lieu of cash for their annual retainers.

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- Definition The entire disclosure for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 + Details
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