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Related-Party Transactions (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) board_member	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Chief Executive Officer | Adobe Systems | Purchased Services
Related Party Transaction [Line Items]
Purchases from related party	$ 2.4	$ 1.7	$ 2.1
Revenue from related parties	0.0	0.1	0.2
Due to related parties	0.0	0.1
Receivable from related parties	$ 0.0	0.0
Immediate Family Member of Management or Principal Owner | PayPal Holdings, Inc. | Payment Processing Fees
Related Party Transaction [Line Items]
Number of board members appointed to Board of Directors of related party | board_member	1
Expenses from transactions with related party	$ 2.8	2.1	1.6
Board of Directors Member | Zuora, Inc. | Purchased Services
Related Party Transaction [Line Items]
Purchases from related party	1.9	1.3
Due to related parties	$ 0.0	0.0
Number of board members appointed to chief executive officer of related party | board_member	1
Board of Directors Member | San Francisco 49ers | Purchased Advertisements
Related Party Transaction [Line Items]
Purchases from related party	$ 0.2	$ 0.1	$ 0.2
Number of board members appointed to chief executive officer of related party | board_member	1

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