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Equity (Tables)
 3 Months Ended
Mar. 31, 2021
Stockholders' Equity Note [Abstract]  
Schedule Of Stock-Based Compensation Expense By Award Type Our stock-based compensation expense is summarized as follows by award types (in thousands): 
Three Months Ended March 31,
20212020
Common stock options$180 $306 
Restricted stock units*10,719 8,408 
ESPP503 — 
Total stock-based compensation expense$11,402 $8,714 
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*    Amounts include market-based and performance-based RSUs.
Schedule Of Stock-Based Compensation Expense By Operating Function
The following table summarizes stock-based compensation expense by operating function for the periods presented below (in thousands): 

 Three Months Ended March 31,
 20212020
Marketing and advertising$2,485 $1,730 
Customer care and enrollment469 662 
Technology and content2,743 1,617 
General and administrative5,705 4,705 
Total stock-based compensation expense$11,402 $8,714 
Amount capitalized in internal-use software550 248 
Total stock-based compensation$11,952 $8,962