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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2022
Income Tax Disclosure [Abstract] |
Schedule of Income before Income Tax, Domestic and Foreign | The domestic and foreign components of income before incomes taxes were as follows (in thousands):
|  | Years Ended December 31,
|  | 2022 |  | 2021 |  | 2020
Domestic |  | $ | 51,442 |  |  | $ | 70,776 |  |  | $ | 33,777 |
Foreign |  | 2,600 |  |  | 1,878 |  |  | 507 |
|  | $ | 54,042 |  |  | $ | 72,654 |  |  | $ | 34,284 |
Schedule of Components of Income Tax Expense (Benefit) | Income taxes consisted of the following (in thousands):
|  | Years Ended December 31,
|  | 2022 |  | 2021 |  | 2020
Current: |  |  |  |  |  |
Federal |  | $ | 3,671 |  |  | $ | — |  |  | $ | — |
State |  | 6,555 |  |  | 2,818 |  |  | 285 |
Foreign |  | 874 |  |  | 438 |  |  | 507 |
Current income tax |  | 11,100 |  |  | 3,256 |  |  | 792 |
Deferred: |  |  |  |  |  |
Federal |  | 6,336 |  |  | (157,355) |  |  | — |
State |  | (4,372) |  |  | (11,631) |  |  | — |
Foreign |  | (32) |  |  | 6 |  |  | 8 |
Deferred income tax |  | 1,932 |  |  | (168,980) |  |  | 8 |
|  | $ | 13,032 |  |  | $ | (165,724) |  |  | $ | 800 |
Schedule of Effective Income Tax Rate Reconciliation | The differences between the statutory and effective tax rates, expressed as a percentage of net income before income taxes, were as follows:
|  | Years Ended December 31,
|  | 2022 |  | 2021 |  | 2020
Federal statutory rate |  | 21.0 | % |  | 21.0 | % |  | 21.0 | %
Impact of state taxes |  | 1.4 |  |  | (15.6) |  |  | 0.1 |
Foreign operations |  | — |  |  | (0.2) |  |  | 0.6 |
R&D tax credits |  | (7.4) |  |  | 1.4 |  |  | (4.8) |
Foreign income inclusion |  | 1.0 |  |  | — |  |  | — |
Stock-based compensation |  | — |  |  | (12.8) |  |  | (4.1) |
Other permanent items |  | (0.2) |  |  | (0.3) |  |  | 0.6 |
Tax true-up |  | — |  |  | (0.2) |  |  | (0.4) |
Valuation allowance |  | (4.0) |  |  | (208.3) |  |  | (48.1) |
Net operating loss expiration / attribute expiration |  | 5.5 |  |  | (13.1) |  |  | 37.4 |
Base erosion anti-abuse tax |  | 6.8 |  |  | — |  |  | — |
|  | 24.1 | % |  | (228.1) | % |  | 2.3 | %
Schedule of Deferred Tax Assets and Liabilities | The significant components of the Company’s deferred tax assets were as follows (in thousands):
|  | December 31,
|  | 2022 |  | 2021
Deferred tax assets: |  |  |  |
Net operating loss carryforwards |  | $ | 44,189 |  |  | $ | 82,672 |
Tax credit carryforwards |  | 56,717 |  |  | 52,538 |
Accruals and reserves |  | 11,679 |  |  | 10,302 |
Deferred revenue |  | 13,156 |  |  | 11,351 |
Stock-based compensation |  | 7,417 |  |  | 4,921 |
Capitalized R&D |  | 67,932 |  |  | 38,842 |
Gross deferred tax assets |  | 201,090 |  |  | 200,626 |
Valuation allowance |  | (29,914) |  |  | (29,236) |
Total deferred tax assets |  | 171,176 |  |  | 171,390 |
Deferred tax liabilities: |  |  |  |
Fixed assets |  | (2,648) |  |  | (1,511) |
Intangible assets |  | (1,497) |  |  | (917) |
Total deferred tax liabilities |  | (4,145) |  |  | (2,428) |
|  | $ | 167,031 |  |  | $ | 168,962 |
Unrecognized Tax Benefits Activity | The following table reconciles the Company’s unrecognized tax benefits (in thousands):
|  | Years Ended December 31,
|  | 2022 |  | 2021
Balance at beginning of year |  | $ | 25,992 |  |  | $ | 23,516 |
Reduction for tax positions related to prior year |  | (905) |  |  | (1,427) |
Additions for tax positions related to prior year |  | 1,232 |  |  | 1,947 |
Additions for tax positions related to current year |  | 2,896 |  |  | 1,956 |
Balance at end of year |  | $ | 29,215 |  |  | $ | 25,992 |

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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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- Definition Tabular disclosure for tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities and other income tax contingencies. Includes, but is not limited to, interest and penalties, reconciliation of unrecognized tax benefits, unrecognized tax benefits that would affect the effective tax rate, tax years that remain subject to examination by tax jurisdictions, and information about positions for which it is reasonably possible that amounts unrecognized will significantly change within 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -URI https://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 19 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32840-109319 + Details
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