XML 35 R24.htm IDEA: XBRL DOCUMENT
v3.22.1

Share-based Compensation (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2022
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Summary of Stock Option Activity | The following table summarizes the Company’s stock option activity (in thousands, except per share data and years) for the three months ended March 31, 2022:
|  | Stock Options Outstanding |
|  |  |  |  |  | Weighted Average |  |  | Aggregate |  |  | Weighted Average |
|  |  |  |  |  | Exercise Price |  |  | Intrinsic |  |  | Remaining Contractual |
|  | Shares |  |  | Per Share |  |  | Value |  |  | Term (Years) |
Balance as of January 1, 2022 |  |  | 1,167 |  |  | $ | 268.74 |  |  |  |  |  |  |  |  |
Granted |  |  | 304 |  |  | $ | 404.60 |  |  |  |  |  |  |  |  |
Exercised |  |  | (2 | ) |  | $ | 129.23 |  |  | $ | 678 |  |  |  |  |
Forfeited/Expired |  |  | (3 | ) |  | $ | 445.94 |  |  |  |  |  |  |  |  |
Balance as of March 31, 2022 |  |  | 1,466 |  |  | $ | 296.80 |  |  |  |  |  |  |  |  |
Exercisable as of March 31, 2022 |  |  | 698 |  |  | $ | 184.99 |  |  | $ | 223,826 |  |  |  | 4.0 |
Expected to vest as of March 31, 2022 |  |  | 768 |  |  | $ | 398.27 |  |  | $ | 108,378 |  |  |  | 8.9 |
Total |  |  | 1,466 |  |  | $ | 296.80 |  |  | $ | 332,204 |  |  |  | 6.6 |
Schedule of Range of Exercise Prices per Share | Stock options outstanding as of March 31, 2022 are comprised of the following range of exercise prices per share (in thousands, except per share data and years):
|  | Stock Options Outstanding at March 31, 2022 |
|  |  |  |  |  | Weighted Average |  |  | Weighted Average |
|  |  |  |  |  | Exercise Price |  |  | Remaining Contractual |
Range of Exercise Prices per Share |  | Shares |  |  | Per Share |  |  | Term (Years) |
$121.43 - $200.00 |  |  | 876 |  |  | $ | 135.94 |  |  |  | 4.7 |
$400.01 - $500.00 |  |  | 324 |  |  | $ | 408.64 |  |  |  | 9.8 |
$600.01 - $691.23 |  |  | 266 |  |  | $ | 691.23 |  |  |  | 8.9 |
Total |  |  | 1,466 |  |  | $ | 296.80 |  |  |  | 6.6 |
Assumptions Used in Black-Scholes Pricing Model | The weighted average grant date fair value of stock option awards using the Black-Scholes valuation model was $227.51 and $381.26 for each share subject to a stock option granted during the three months ended March 31, 2022 and 2021, respectively, based on the following assumptions:
|  | Three months ended |
|  | March 31, |
|  | 2022 |  | 2021 |
Expected term of options in years |  |  | 6.3 |  |  |  | 6.3 |
Expected volatility |  |  | 58.4 | % |  | 57.6% - 59.0% |
Risk-free interest rate |  |  | 1.9 | % |  | 0.8% - 1.0% |
Expected dividend yield |  |  | 0.0 | % |  |  | 0.0 | %
Summary of Share-Settled Restricted Stock Unit Activity | As of March 31, 2022, there were 108,273 share-settled restricted stock units outstanding under the 2013 Equity Plan. The following table summarizes the Company’s share-settled restricted stock unit activity (in thousands) for the periods indicated:
|  | Share-Settled Restricted Stock Units Outstanding |
|  |  |  |  |  | Aggregate |
|  |  |  |  |  | Intrinsic |
|  | Units |  |  | Value |
Balance as of January 1, 2022 |  |  | 105 |  |  |  |  |
Granted |  |  | 11 |  |  |  |  |
Vested |  |  | (4 | ) |  | $ | 1,433 |
Forfeited |  |  | (4 | ) |  |  |  |
Balance as of March 31, 2022 |  |  | 108 |  |  |  |  |
Expected to vest as of March 31, 2022 |  |  | 108 |  |  | $ | 52,655 |

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 the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + 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 (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
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 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://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 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 (e) -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 (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
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