Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Name:	us-gaap_RevenueFromRelatedParties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Related-Party Transactions (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended	9 Months Ended
	Apr. 30, 2020	Aug. 31, 2014	Sep. 30, 2021	Sep. 30, 2021	Dec. 31, 2020
Chief Executive Officer \| Related Party Loan Receivable
Related-Party Transactions (Details) [Line Items]
Loan amount		$ 0.4
Related party rate	1.50%	3.09%
Period after termination of employment		1 year
Period after issuance		10 years
Investors
Related-Party Transactions (Details) [Line Items]
Revenue from related parties			$ 1.3	$ 3.3
Accounts receivable			$ 0.0	$ 0.0	$ 0.0