Stock-based Awards (Details 3 - Stock comp by FSLI) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Stock-based Compensation Cost
Stock-based compensation expense	$ 5,157	$ 6,111	$ 11,542	$ 12,025
Amount capitalized to internal software use	350	355	697	700
Total stock-based compensation cost	5,507	6,466	12,239	12,725
Cost of revenue
Stock-based Compensation Cost
Stock-based compensation expense	66	42	137	355
Sales and marketing
Stock-based Compensation Cost
Stock-based compensation expense	1,512	2,279	4,471	4,440
Technology and development
Stock-based Compensation Cost
Stock-based compensation expense	1,159	1,320	2,347	2,545
General and administrative
Stock-based Compensation Cost
Stock-based compensation expense	$ 2,420	$ 2,470	$ 4,587	$ 4,685

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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