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Marketable Securities (Tables) | 3 Months Ended
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Apr. 03, 2021
Investments, Debt and Equity Securities [Abstract] |
Schedule of Available-for-Sale Securities Reconciliation | The Company’s marketable securities within cash equivalents and investments included in the consolidated balance sheets are detailed as follows (in thousands):
|  | April 3, 2021 |
| Amortized Cost |  |  | Unrealized Gain |  |  | Unrealized Loss |  |  | Fair Value |
U.S. Treasury securities |  | $ | 12,061 |  |  | $ | — |  |  | $ | — |  |  | $ | 12,061 |
Corporate debt securities |  |  | 119,810 |  |  |  | 7 |  |  |  | (17 | ) |  |  | 119,800 |
Time deposits |  |  | 58,712 |  |  |  | — |  |  |  | — |  |  |  | 58,712 |
Total |  | $ | 190,583 |  |  | $ | 7 |  |  | $ | (17 | ) |  | $ | 190,573 |
Amounts included in: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents |  | $ | 64,590 |  |  | $ | 1 |  |  | $ | (4 | ) |  | $ | 64,587 |
Investments |  |  | 125,993 |  |  |  | 6 |  |  |  | (13 | ) |  |  | 125,986 |
Total |  | $ | 190,583 |  |  | $ | 7 |  |  | $ | (17 | ) |  | $ | 190,573 |
|  | December 31, 2020 |
|  | Amortized Cost |  |  | Unrealized Gain |  |  | Unrealized Loss |  |  | Fair Value |
Time deposits |  |  | 6,451 |  |  |  | — |  |  |  | — |  |  |  | 6,451 |
Total |  | $ | 6,451 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,451 |
Amounts included in: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments |  |  | 6,451 |  |  |  | — |  |  |  | — |  |  |  | 6,451 |
Total |  | $ | 6,451 |  |  | $ | — |  |  | $ | — |  |  | $ | 6,451 |
Investments Classified By Contractual Maturity Date | The estimated fair value of marketable debt securities by maturity date is as follows (in thousands):
|  | April 3, 2021 |  |  | December 31, 2020 |
Due in one year or less |  | $ | 164,762 |  |  | $ | 6,451 |
Due after one year through three years |  |  | 25,811 |  |  |  | — |
Total |  | $ | 190,573 |  |  | $ | 6,451 |

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