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Equity (Tables)
3 Months Ended
Mar. 31, 2020
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,
20202019
Common stock options$306  $602  
Restricted stock units8,408  2,627  
Total stock-based compensation expense$8,714  $3,229  
Schedule Of Stock-Based Compensation Expense By Operating Function
Our stock-based compensation expense is summarized as follows by operating functions (in thousands): 
 Three Months Ended March 31,
 20202019
Marketing and advertising$1,730  $629  
Customer care and enrollment662  273  
Technology and content1,617  549  
General and administrative4,705  1,778  
Total stock-based compensation expense$8,714  $3,229