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Stock Incentive Plans and Share-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2018
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Summary of Stock Option Activity | The following table summarizes the Company’s stock option activity:
|  | Stock Options |
|  |  |  |  |  | Weighted- |
|  |  |  |  |  | Average |
|  | Shares |  |  | Exercise Price |
Outstanding at January 1, 2018 |  |  | 4,375,929 |  |  | $ | 10.73 |
Granted |  |  | — |  |  |  |  |
Exercised/Vested |  |  | — |  |  |  |  |
Cancelled |  |  | (10,000 | ) |  | $ | 13.50 |
Outstanding at March 31, 2018 |  |  | 4,365,929 |  |  | $ | 10.72 |
Vested at March 31, 2018 |  |  | 2,217,753 |  |  | $ | 8.63 |
Exercisable at March 31, 2018 |  |  | 388,040 |  |  | $ | 4.33 |
Summary of RSU and PSU Activity | The following table summarizes the Company’s RSU and PSU activity:
|  | RSUs |  |  | PSUs |
|  |  |  |  |  | Weighted- |  |  |  |  |  |  | Weighted- |
|  |  |  |  |  | Average Grant |  |  |  |  |  |  | Average Grant |
|  | Shares |  |  | Date Fair Value |  |  | Shares(1) |  |  | Date Fair Value |
Outstanding at January 1, 2018 |  |  | — |  |  |  |  |  |  |  | 62,791 |  |  | $ | 27.87 |
Granted |  |  | 205,351 |  |  | $ | 28.72 |  |  |  | 108,957 |  |  | $ | 28.72 |
Exercised/Vested |  |  | — |  |  |  |  |  |  |  | — |  |  |  |  |
Cancelled |  |  | — |  |  |  |  |  |  |  | — |  |  |  |  |
Outstanding at March 31, 2018 |  |  | 205,351 |  |  | $ | 28.72 |  |  |  | 171,748 |  |  | $ | 28.41 |
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| (1) | The number of Shares listed for PSUs represents the “target” number of PSUs granted to each recipient eligible to vest if the Company meets its “target” performance goals for the applicable period. The actual number of PSUs eligible to vest will vary depending on whether or not the Company meets or exceeds the applicable threshold, target or maximum performance goals for the PSUs. With respect to 108,957 of the listed “target” number of PSUs, 200% of the “target” number of PSUs will be eligible to vest at “maximum” performance levels.

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- Definition Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate. + References Reference 1: 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=96867065&loc=d3e5070-113901 Reference 2: 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=96867065&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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