Related Party Transactions (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
Aggregate voting power	79.00%
Net revenues from related parties	$ 5.0	$ 4.8	$ 4.8
Selling, general administrative charges from related parties	$ 2.2	$ 0.5	$ 1.0
Affiliated Entity \| Director \| 605, LLC
Related Party Transaction [Line Items]
Ownership percentage	50.00%
Maximum \| Class A Common Stock
Related Party Transaction [Line Items]
Percent of common stock owned by related party	3.00%

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Percentage of Common Stock Owned By Related Party

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.

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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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