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Noncash Share-based Compensation (Tables)
 9 Months Ended
Sep. 30, 2024
Noncash Share-based Compensation [Abstract]  
Awards outstanding [Table Text Block] The following table presents the number of shares or units outstanding for each award type as of September 30, 2024 and December 31, 2023 (in thousands): 
Award typeSeptember 30, 2024December 31, 2023
Restricted stock units (time-based)2,731 2,767 
Market stock units439 358 
Schedule of Share-based Compensation Expense The following table summarizes share-based compensation expense included in the Company's unaudited condensed consolidated statements of comprehensive income (loss) for the three and nine months ended September 30, 2024 and 2023 (in thousands):
 Three Months Ended September 30,Nine Months Ended September 30,
 2024202320242023
Share-based compensation:
Cost of revenue$1,177 $1,033 $3,396 $2,850 
Operating expenses:
Selling and marketing (1)
675 2,992 6,740 9,023 
Research and development (1)
898 2,817 6,543 7,840 
General and administrative4,521 4,091 13,540 11,876 
Total included in operating expenses6,094 9,900 26,823 28,739 
Total share-based compensation expense$7,271 $10,933 $30,219 $31,589 
    (1) During the three months ended September 30, 2024, both sales and marketing expense, and research and development expense included a $1.3 million reversal of noncash share-based compensation expense, as certain performance criteria as a condition to vest is not expected to be met.
Market Stock Units Valuation Assumptions The weighted average assumptions used to value the MSUs granted during the nine months ended September 30, 2024 were as follows:
Nine Months Ended September 30, 2024
Volatility51.24 %
Risk-free interest rate4.14 %
Expected award life in years2.90
Dividend yield— %