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Stock-Based Compensation | 3 Months Ended
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Mar. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock-Based Compensation | Stock-Based Compensation The Company has a stock-based incentive plan (the “2007 Plan”) to award equity as form of compensation. The 2007 Plan, approved by the Company’s stockholders on May 31, 2007, was amended and restated on July 25, 2007 and again on December 1, 2011. The 2007 Plan provides for grants of stock options, stock appreciation rights (“SARs”), restricted stock, performance shares, and performance units (sometimes referred to individually or collectively as “awards”) to non-employee directors, employees, and consultants of the Company. Stock options may be either incentive stock options (“ISOs”), as defined in Section 422 of the Internal Revenue Code of 1986, as amended (the “Code”), or nonqualified stock options (“NQSOs”). The 2007 Plan gives the Company flexibility to (i) attract and retain qualified non-employee directors, executives and other key employees and consultants with appropriate equity-based awards; (ii) motivate high levels of performance; (iii) recognize employee contributions to the Company’s success; and (iv) align the interests of the 2007 Plan participants with those of the Company’s stockholders. The exercise price for shares under an ISO may not be less than 100% of fair market value on the date the award is granted under Code Section 422. Similarly, under the terms of the 2007 Plan the exercise price for SARs and NQSOs may not be less than 100% of fair market value on the date of grant. Performance units are awarded to a participant at the market price of the Company’s common stock on the date of award (after the lapse of the restriction period and the attainment of the performance criteria). No minimum exercise price is prescribed for performance shares and restricted stock awarded under the 2007 Plan. ISOs, SARs and NQSOs have vesting periods of three to five years and have 10-year contractual terms. Restricted stock, performance shares, and performance units are granted with a restriction period of not less than one year from the grant date for performance-based awards and not more than three years from the grant date for time-based vesting of grants. Compensation expense for awards is recognized over the vesting period. The Company has another stock-based incentive plan, the 2016 Stock Incentive Plan, adopted September 1, 2016. Stock options and restricted stock were assumed from the merger with Wilshire at substantially the same terms as those prior to the merger after applying the exchange ratio of 0.7034. These stock awards were issued to former Wilshire employees and directors through the 2016 Plan. The 2016 Plan provides for the granting of incentive stock option, stock appreciation right, and restricted stock awards to officers, employees, and consultants. The plan has 2,400,000 shares available for grant to participants. The option prices of all options granted under the 2016 Plan may not be less than 100% of the fair market value at the date of grant. All options not exercised generally expire ten years after the date of grant. Under the 2007 Plan and 2016 Plan, 1,890,563 shares were available for future grants as of March 31, 2017. The total shares reserved for issuance will serve as the underlying value for all equity awards under the 2007 Plan and 2016 Plan. With the exception of the shares underlying stock options and restricted stock awards, the board of directors may choose to settle the awards by paying the equivalent cash value or by delivering the appropriate number of shares. The following is a summary of stock option activity under the 2007 Plan and 2016 Plan for the three months ended March 31, 2017:
| Number of Shares |  | Weighted- Average Exercise Price Per Share |  | Weighted- Average Remaining Contractual Life (Years) |  | Aggregate Intrinsic Value (Dollars in thousands)
Outstanding - January 1, 2017 | 1,624,227 |  |  | $ | 15.30 |  |  |  |  |
Granted | — |  |  | — |  |  |  |  |
Exercised | (21,307 | ) |  | 11.07 |  |  |  |  |
Expired | (1,530 | ) |  | 15.34 |  |  |  |  |
Forfeited | — |  |  | — |  |  |  |  |
Outstanding - March 31, 2017 | 1,601,390 |  |  | $ | 15.36 |  |  | 6.40 |  | $ | 6,861 |
Options exercisable - March 31, 2017 | 866,548 |  |  | $ | 14.02 |  |  | 4.13 |  | $ | 5,218 |
The following is a summary of restricted stock and performance unit activity under the 2007 Plan and 2016 Plan for the three months ended March 31, 2017:
| Number of Shares |  | Weighted- Average Grant Date Fair Value
Outstanding - January 1, 2017 | 403,658 |  |  | $ | 16.17 |
Granted | — |  |  | — |
Vested | (36,407 | ) |  | 15.31 |
Forfeited | (3,372 | ) |  | 14.75 |
Outstanding - March 31, 2017 | 363,879 |  |  | $ | 16.27 |
The total fair value of restricted performance units vested for the three months ended March 31, 2017 and 2016 was $735 thousand and $492 thousand, respectively. The amount charged against income related to stock-based payment arrangements was $746 thousand and $22 thousand for the three months ended March 31, 2017 and 2016, respectively. The income tax benefit recognized was approximately $290 thousand and $9 thousand for the three months ended March 31, 2017 and 2016, respectively. At March 31, 2017, the unrecognized compensation expense related to non-vested stock option grants was $1.8 million which is expected to be recognized over a weighted average vesting period of 3.19 years. Unrecognized compensation expense related to non-vested restricted stock and performance units was $4.6 million which is expected to be recognized over a weighted average vesting period of 2.69. During the first quarter of 2017 the Company adopted ASU 2016-09, “Compensation - Stock Compensation: Improvements to Employee Share-Based Payment Accounting”. With the adoption of ASU 2016-09 all of the Company’s excess tax benefits on share-based payment awards were recorded in income tax provision on the Consolidated Statements of Income for the three months ended March 31, 2017.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=65895303&loc=d3e17540-113929 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68057994&loc=d3e25284-112666 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 + Details
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