CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Stock-based compensation expense	$ (18,100)	$ 36,500	$ (6,800)	$ 68,400
Gain on divestiture	0	0	(17,591)	0
Cost of revenue
Stock-based compensation expense	(1,232)	4,120	803	6,251
Depreciation expense	2,186	2,463	4,433	4,996
Amortization of purchased intangibles	4,578	4,561	9,139	8,977
Sales and marketing
Stock-based compensation expense	2,299	5,942	4,703	12,591
Depreciation expense	741	605	1,467	1,157
General and administrative
Stock-based compensation expense	(13,882)	13,231	(11,250)	23,669
Depreciation expense	139	96	300	233
Product development
Stock-based compensation expense	(5,333)	13,224	(1,072)	25,872
Depreciation expense	$ 6,660	$ 3,963	$ 10,888	$ 7,965

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Name Accounting Standards Codification
-Section S99
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Amount of expense for allocation of cost of intangible asset over its useful life directly used in production of good and rendering of service.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
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The expense recognized in the current period that allocates the cost of nonproduction tangible assets over their useful lives.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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