XML 67 R48.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Stock-Based Compensation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Share-based Payment Arrangement [Abstract] |
Summary of restricted stock, restricted stock unit and stock option activity | The following table summarizes RSU, restricted stock and stock option activity:
| RSU or Restricted Stock | Stock Options
| Number | Weighted Average Grant Date Fair Value Per Share | Number | Weighted Average Exercise Price Per Share
Outstanding as of December 31, 2018 | 985,132 |  | $53.78 | 4,589,385 |  | $60.25
Granted | 1,356,303 |  | 32.68 | 1,192,108 |  | 22.47
Forfeited or expired | (173,604) |  | 39.57 | (351,885) |  | 60.56
Vested/exercised | (507,520) |  | 47.72 | (48,131) |  | 30.46
Outstanding as of December 31, 2019 | 1,660,311 |  | $39.88 | 5,381,477 |  | $52.13
Granted | 1,355,975 |  | 10.30 | 975,290 |  | 11.06
Forfeited or expired | (114,352) |  | 33.74 | (603,835) |  | 59.46
Vested/exercised | (643,340) |  | 42.23 | — |  | —
Outstanding as of December 31, 2020 | 2,258,594 |  | $21.76 | 5,752,932 |  | $44.40
Granted | 596,391 |  | 18.67 | 481,626 |  | 17.96
Forfeited or expired | (132,713) |  | 18.78 | (659,216) |  | 58.37
Vested/exercised | (810,560) |  | 30.83 | (84,416) |  | 8.81
Outstanding as of December 31, 2021 | 1,911,712 |  | $17.16 | 5,490,926 |  | $40.95
Options exercisable as of December 31, 2021 |  |  | 3,519,747 |  | $54.31
Remaining unvested options outstanding and expected to vest |  |  | 1,951,467 |  | $17.09
During 2021, the following units were granted based upon the establishment of performance targets:
| Performance-based Award Units Granted in 2021 | Weighted Average Grant Date Fair Value Per Share
2021 Performance Award Plan | 204,623 | $20.49
2020 Performance Award Plan | 385,455 | $19.98
2019 Performance Award Plan | 116,844 | $20.18
Schedule of fair value on grant date and significant assumptions used in Black-Scholes option-pricing model | The grant date fair value of options and other significant assumptions follow:
| 2021 | January 1 - November 30, 2020 | December 31, 2020 | January 1 - September 30, 2019 | October 1 - December 31, 2019
Weighted average grant date fair value | $8.94 | $4.59 | $9.05 | $7.99 | $6.93
Expected life of options (in years) | 4.5 | 4.6 | 7.2 | 5.6 | 5.4
Risk-free interest rate | 0.7 | % | 0.4 | % | 0.5 | % | 2.6 | % | 1.7 | %
Expected volatility | 62 | % | 65 | % | 61 | % | 33 | % | 47 | %
Expected annual dividend per share | $0.00 | $0.00 | $0.00 | $0.84 | $0.40
Summary of information related to options outstanding | Information related to options outstanding as of December 31, 2021 follows:
| Options Outstanding |  | Options Exercisable
Range of Exercise Prices | Number Outstanding | Weighted Average Remaining Contractual Life (In Years) | Weighted Average Exercise Price Per Share |  | Number Exercisable | Weighted Average Remaining Contractual Life (In Years) | Weighted Average Exercise Price Per Share
$8.81 - $29.50 | 2,413,093 |  | 8.4 | $ | 17.64 |  |  | 456,853 |  | 8.0 | $ | 21.34 |
$46.07 - $62.50 | 2,671,436 |  | 3.5 | 56.19 |  |  | 2,658,332 |  | 3.5 | 56.19 |
$70.76 - $79.19 | 406,407 |  | 2.1 | 79.19 |  |  | 404,562 |  | 2.1 | 79.19 |
| 5,490,936 |  | 5.6 | $ | 40.95 |  |  | 3,519,747 |  | 4.0 | $ | 54.31 |

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value. + 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 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration