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Accumulated Other Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2021
Equity [Abstract] |
Summary of Changes in Accumulated Balances in Other Comprehensive Income | The following table summarizes the changes in accumulated balances of other comprehensive income (loss), net of tax, for the three months ended March 31, 2021 (in thousands):
| Unrealized Gains (Losses) on Investments |  | Foreign Currency Translation |  | Total
Beginning balance | $ | 283 |  |  | $ | (55,089) |  |  | $ | (54,806) |
Other comprehensive income (loss) | — |  |  | (8,424) |  |  | (8,424) |
Net current period other comprehensive income (loss) | — |  |  | (8,424) |  |  | (8,424) |
Ending balance | $ | 283 |  |  | $ | (63,513) |  |  | $ | (63,230) |

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