CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Stock-based compensation expense	$ 11,300	$ 31,900	$ 4,500	$ 100,300
Cost of revenue
Stock-based compensation expense	76	2,905	879	9,156
Depreciation expense	1,949	2,402	6,382	7,398
Amortization of purchased intangibles	7,545	4,811	16,684	13,788
Sales and marketing
Stock-based compensation expense	2,726	6,021	7,429	18,612
Depreciation expense	809	637	2,276	1,794
General and administrative
Stock-based compensation expense	5,180	12,034	(6,070)	35,703
Depreciation expense	73	109	373	342
Product development
Stock-based compensation expense	3,314	10,980	2,242	36,852
Depreciation expense	$ 4,933	$ 3,915	$ 15,821	$ 11,880