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Revenues (Tables)
12 Months Ended
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]  
Disaggregation of Revenue
The following table sets forth our total net revenues for the periods shown disaggregated for our Chegg Services and Required Materials product lines (in thousands, except percentages):

 Years Ended December 31,Change in 2021Change in 2020
 202120202019$%$%
Chegg Services$669,894 $521,228 $332,221 $148,666 29 %$189,007 57 %
Required Materials106,371 123,110 78,705 (16,739)(14)44,405 56 
Total net revenues$776,265 $644,338 $410,926 $131,927 20 $233,412 57 
Schedule of Accounts Receivable
The following table presents our accounts receivable, net, contract assets, and deferred revenue balances (in thousands, except percentages):
 December 31,Change
 20212020$%
Accounts receivable, net$17,850 $12,913 $4,937 38 %
Contract assets14,231 13,243 988 
Deferred revenue35,143 32,620 2,523