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Segment Information (Tables) | 12 Months Ended
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Dec. 31, 2020
Segment Reporting [Abstract] |
Schedule of Revenue by Product Line | The following table sets forth our total net revenues for the periods shown for our Chegg Services and Required Materials product lines (in thousands):
| Years Ended December 31,
| 2020 |  | 2019 |  | 2018
Chegg Services | $ | 521,228 |  |  | $ | 332,221 |  |  | $ | 253,985 |
Required Materials | 123,110 |  |  | 78,705 |  |  | 67,099 |
Total net revenues | $ | 644,338 |  |  | $ | 410,926 |  |  | $ | 321,084 |

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- Definition Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599 + Details
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