CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Stock-based compensation expense	$ 36,500	$ 15,100	$ 68,400	$ 29,700
Depreciation expense			14,351	13,578
Cost of revenue
Stock-based compensation expense	4,120	1,386	6,251	3,281
Depreciation expense	2,463	2,634	4,996	5,168
Amortization of purchased intangibles	4,561	1,184	8,977	2,359
Sales and marketing
Stock-based compensation expense	5,942	3,373	12,591	7,155
Depreciation expense	605	615	1,157	1,218
General and administrative
Stock-based compensation expense	13,231	3,110	23,669	5,760
Depreciation expense	96	28	233	88
Product development
Stock-based compensation expense	13,224	7,218	25,872	13,502
Depreciation expense	$ 3,963	$ 3,696	$ 7,965	$ 7,104

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

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