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Business Combinations - Purchase Price Allocation (Details) - USD ($) $ in Thousands	Jul. 12, 2021	Jul. 02, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
Goodwill			$ 138,377	$ 137,724	$ 1,371,064
Developed technology \| Minimum
Business Acquisition [Line Items]
Estimated useful lives			3 years
Developed technology \| Maximum
Business Acquisition [Line Items]
Estimated useful lives			5 years
Depop
Business Acquisition [Line Items]
Current assets	$ 4,288
Goodwill	1,118,855
Current liabilities	(18,878)
Non-current liabilities	(27,957)
Deferred tax liability, net	(78,872)
Total purchase price	1,492,823
Depop \| Trademark
Business Acquisition [Line Items]
Finite-lived intangibles	$ 249,820
Estimated useful lives	20 years
Depop \| Customer relationships
Business Acquisition [Line Items]
Finite-lived intangibles	$ 148,504
Estimated useful lives	13 years
Depop \| Property and equipment other
Business Acquisition [Line Items]
Property and equipment	$ 1,299
Depop \| Property and equipment other \| Minimum
Business Acquisition [Line Items]
Estimated useful lives	2 years
Depop \| Property and equipment other \| Maximum
Business Acquisition [Line Items]
Estimated useful lives	5 years
Depop \| Developed technology
Business Acquisition [Line Items]
Property and equipment	$ 95,764
Estimated useful lives	5 years
Elo7
Business Acquisition [Line Items]
Current assets		$ 2,721
Goodwill		157,187
Non-current assets		2,412
Current liabilities		(3,406)
Non-current liabilities		(2,691)
Deferred tax liability, net		(22,727)
Total purchase price		212,141
Elo7 \| Trademark
Business Acquisition [Line Items]
Finite-lived intangibles		$ 22,187
Estimated useful lives		15 years
Elo7 \| Customer relationships
Business Acquisition [Line Items]
Finite-lived intangibles		$ 44,374
Estimated useful lives		15 years
Elo7 \| Developed technology
Business Acquisition [Line Items]
Property and equipment		$ 12,084
Estimated useful lives	5 years