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Stockholders' Equity - Stock Option Activity - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	1 Months Ended		12 Months Ended
	Mar. 31, 2021	Aug. 31, 2019	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense			$ 34.4	$ 17.9	$ 6.4
Former Board Member and Affiliated Entity
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payments for repurchase of common stock	$ 2.4
Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payments for repurchase of common stock			$ 0.0	$ 0.5	$ 1.2
Common Class A | Former Board Member and Affiliated Entity
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase of Class A common stock (in shares)	0.2	0.1
Share-based compensation expense	$ 1.0
Payments for repurchase of common stock		$ 0.8
Shares repurchased price (in dollars per share)		$ 10.20
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, weighted average grant-date fair value (in dollars per share)			$ 5.54	$ 9.60	$ 6.28
Aggregate intrinsic value, options exercised in period			$ 6.7	$ 30.0	$ 25.9
Expected dividend yield			0.00%	0.00%	0.00%
Payments for repurchase of common stock			$ 0.0	$ 1.4	$ 0.4
Stock Options | Common Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost			$ 15.6
Unrecognized compensation cost, period for recognition			2 years 7 months 6 days
Expected dividend yield			0.00%

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

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The cash outflow to reacquire common stock during the period.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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