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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2021
Income Tax Disclosure [Abstract] |
Schedule of Income before Income Tax, Domestic and Foreign | The following are the domestic and foreign components of our (loss) income before income taxes (in thousands):
| Year Ended December 31,
| 2021 |  | 2020 |  | 2019
Domestic | $ | (119,195) |  |  | $ | 25,272 |  |  | $ | 19,778 |
Foreign | (420) |  |  | (12,947) |  |  | (9,174) |
Total (loss) income before income taxes | $ | (119,615) |  |  | $ | 12,325 |  |  | $ | 10,604 |
Schedule of Components of Income Tax Expense (Benefit) | The details for the (benefit from) provision for income taxes by jurisdiction are as follows (in thousands):
| Year Ended December 31,
| 2021 |  | 2020 |  | 2019
Current |  |  |  |  |
Federal | $ | (194) |  |  | $ | 846 |  |  | $ | 277 |
State | 760 |  |  | 243 |  |  | 700 |
Foreign | 78 |  |  | 15 |  |  | 255 |
Total current provision | 644 |  |  | 1,104 |  |  | 1,232 |
Deferred |  |  |  |  |
Federal | (9,605) |  |  | 2,322 |  |  | 2,944 |
State | (1,990) |  |  | (997) |  |  | (1,015) |
Foreign | — |  |  | — |  |  | — |
Total deferred provision | (11,595) |  |  | 1,325 |  |  | 1,929 |
Total (benefit from) provision for income tax | $ | (10,951) |  |  | $ | 2,429 |  |  | $ | 3,161 |
Schedule of Effective Income Tax Rate Reconciliation | The (benefit from) provision for income taxes for December 31, 2021, 2020 and 2019 differed from the amounts computed by applying the U.S. Federal income tax rate of 21% to (loss) income before income taxes as a result of the following (in thousands):
| Year Ended December 31,
| 2021 |  | 2020 |  | 2019
(Benefit from) provision for income taxes at statutory rate | $ | (25,120) |  |  | $ | 2,588 |  |  | $ | 2,227 |
State income taxes, net of federal benefit | (2,309) |  |  | (891) |  |  | 284 |
Rate differential on foreign earnings | (68) |  |  | (1,217) |  |  | 1,818 |
Research and development credits | (887) |  |  | (1,340) |  |  | (600) |
Change in valuation allowance | 809 |  |  | 5,011 |  |  | 117 |
Stock-based compensation | (3,065) |  |  | (2,162) |  |  | (2,014) |
Nondeductible stock-based compensation | 18,267 |  |  | — |  |  | — |
Unrecognized tax benefits | 703 |  |  | 978 |  |  | 563 |
Non-deductible expenses | 287 |  |  | (52) |  |  | 820 |
Other | $ | 432 |  |  | $ | (486) |  |  | $ | (54) |
Total (benefit from) provision for income taxes | $ | (10,951) |  |  | $ | 2,429 |  |  | $ | 3,161 |
Schedule of Deferred Tax Assets and Liabilities | The tax effects of temporary differences that give rise to significant portions of our deferred tax assets and liabilities consisted of the following as of December 31, 2021 and 2020, (in thousands):
| As of December 31,
| 2021 |  | 2020
Deferred tax assets |  |  |
Deferred revenue | $ | 697 |  |  | $ | 694 |
Accrued expenses | 5,321 |  |  | 3,746 |
Stock-based compensation | 7,631 |  |  | 3,314 |
Impairment on investment | 1,445 |  |  | 1,445 |
Net operating loss carryforwards | 17,206 |  |  | 12,857 |
Tax credit carryforwards | 12,112 |  |  | 10,462 |
Interest expense carryforward | 10,851 |  |  | 7,679 |
Capital loss carryforwards | 452 |  |  | — |
Derivatives and hedging | — |  |  | 4,400 |
Total deferred tax assets | 55,715 |  |  | 44,597 |
Valuation allowance | (14,170) |  |  | (12,950) |
Net deferred tax assets | 41,545 |  |  | 31,647 |
Deferred tax liabilities |  |  |
Depreciation and amortization | (10,865) |  |  | (6,024) |
State taxes | (3,026) |  |  | (2,816) |
Net deferred tax liabilities | (13,891) |  |  | (8,840) |
Net deferred tax assets and liabilities | $ | 27,654 |  |  | $ | 22,807 |
Summary of Valuation Allowance |
| Year Ended December 31,
| 2021 |  | 2020 |  | 2019
Beginning balance | $ | 12,950 |  |  | $ | 7,816 |  |  | $ | 7,707 |
Net increase in current year | 1,312 |  |  | 4,646 |  |  | 769 |
Net (decrease) increase in valuation prior period | (14) |  |  | 528 |  |  | (87) |
Net decrease in valuation allowance from acquisitions | (78) |  |  | (40) |  |  | (573) |
Ending balance | $ | 14,170 |  |  | $ | 12,950 |  |  | $ | 7,816 |
Schedule of Unrecognized Tax Benefits Roll Forward | The following table summarizes the changes in unrecognized tax benefits for the years ended December 31, 2021 and 2020 (in thousands):
| Gross Unrealized Tax Benefits
Balance at Balance at December 31, 2018 | $ | 6,498 |
Additions for tax positions related to the current year | 671 |
Reductions for tax positions related to prior years | (913) |
Balance at December 31, 2019 | $ | 6,256 |
Additions for tax positions related to the current year | 916 |
Additions for tax positions related to prior years | 59 |
Balance at December 31, 2020 | $ | 7,231 |
Additions for tax positions related to the current year | 887 |
Reductions for tax positions related to prior years | (245) |
Balance at December 31, 2021 | $ | 7,873 |

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