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Stock-Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity
The following table summarizes the activity for all stock options under all of the Company’s equity incentive plans for the three months ended March 31, 2024 (shares and aggregate intrinsic value in thousands):
Number of OptionsWeighted Average Exercise PriceWeighted Average Remaining Contractual LifeAggregate Intrinsic Value
Outstanding at December 31, 20234,243 $17.19 4.85$31,762 
Granted— — 
Exercised(163)5.95 
Canceled(12)29.48 
Outstanding at March 31, 20244,068 $17.60 4.76$12,817 
Options vested and exercisable at March 31, 20243,544 $15.31 4.31$12,817 
Schedule of Activity for all Restricted Stock Units (RSUs)
The following table summarizes the activity for all restricted stock units (“RSUs”) under all of the Company’s equity incentive plans for the three months ended March 31, 2024 (shares in thousands):
Number of AwardsWeighted Average Grant Date Fair Value
Unvested balance at December 31, 20238,449 $22.16 
Granted2,615 16.62 
Issued(1,164)23.38 
Canceled / forfeited(362)20.94 
Unvested balance at March 31, 20249,538 $20.18 
Schedule of Stock-Based Compensation Expense
The Company recognized stock-based compensation expense, including ESPP expenses, in the consolidated statements of operations as follows (in thousands):
Three Months Ended March 31,
20242023
Cost of customer agreements and incentives$1,946 $1,841 
Cost of solar energy systems and product sales
554 1,768 
Sales and marketing15,175 14,877 
Research and development2,612 442 
General and administration8,582 9,338 
Total$28,869 $28,266