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Share-based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2023
Share-based Payment Arrangement, Noncash Expense [Abstract] |
Schedule of share-based compensation expense | Total following table summarized share-based compensation expense included in our condensed consolidated statements of income related to share-based awards (in thousands):
|  | Three Months Ended March 31, |  |
|  | 2023 |  | 2022 |  |  |  |
Research and development |  | $ | 3,101 |  |  | $ | 2,017 |  |  |  |  |
Selling, general and administrative |  | 4,865 |  |  | 2,725 |  |  |  |  |
Share-based compensation expense |  | $ | 7,966 |  |  | $ | 4,742 |  |  |  |  |
Schedule of share-based compensation expense by type | Share-based compensation expense by type of share-based award (in thousands):
|  | Three Months Ended March 31, |  |
|  | 2023 |  | 2022 |  |  |  |
Stock options |  | $ | 3,455 |  |  | $ | 2,620 |  |  |  |  |
RSUs, PSUs and ESPP |  | 4,511 |  |  | 2,122 |  |  |  |  |
|  | $ | 7,966 |  |  | $ | 4,742 |  |  |  |  |
Schedule of assumptions used in Black-Scholes model | The assumptions used in the Black-Scholes model were as follows:
|  | Three Months Ended March 31, |  |
|  | 2023 |  | 2022 |  |  |  |
Expected volatility |  | 39.68 - 39.98% |  | 41.14 - 41.23% |  |  |  |
Average expected term (in years) |  | 4.8 |  | 4.7 |  |  |  |
Risk-free interest rate |  | 3.48 - 4.27% |  | 1.37 - 1.90% |  |  |  |
Expected dividend yield |  | — |  |  | — |  |  |  |  |
Schedule of unrecognized estimated compensation cost by type | Total unrecognized estimated compensation cost by type of award and the weighted-average remaining requisite service period over which such expense is expected to be recognized was as follows (in thousands, unless otherwise noted):
|  | March 31, 2023
|  | Unrecognized Expense |  | Remaining Weighted-Average Recognition Period (years)
Stock options |  | $ | 45,810 |  |  | 3.00
RSUs |  | 44,291 |  |  | 2.94
PSUs |  | 9,351 |  |  | 2.12
ESPP |  | 111 |  |  | 0.21

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + 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 (h)(1) -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 S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + Details
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- 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
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- Definition Tabular disclosure of cost not yet recognized and weighted-average period over which cost is expected to be recognized for nonvested award under share-based payment arrangement. + 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 (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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