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Basis of Presentation and Significant Accounting Policies - Narrative (Details) - USD ($)			1 Months Ended	3 Months Ended	9 Months Ended
	Sep. 25, 2020	Aug. 28, 2020	Mar. 31, 2020	Sep. 30, 2020	Sep. 30, 2020	Apr. 02, 2020
Subsidiary, Sale of Stock [Line Items]
Dividends payable (USD per share)		$ 1.50
Dividends payable		$ 392,489,000
Stock options exercise price reduction (USD per share)		$ 1.50
Stock options exercise price, lower limit (USD per share)		$ 0.01
Interest Rate Swap | Not Designated as Hedging Instrument
Subsidiary, Sale of Stock [Line Items]
Derivative notional amount			$ 200,000,000			$ 200,000,000
Term of contract (in years)			10 years
Public Stock Offering - Shares From Existing Shareholders
Subsidiary, Sale of Stock [Line Items]
Payments of expenses associated with initial public offering				$ 26,130,000	$ 26,130,000
Public Stock Offering - Shares From Existing Shareholders | Class B Common Stock
Subsidiary, Sale of Stock [Line Items]
Number of shares sold (in shares)	12,360,991
Price per share sold (USD per share)	$ 22.00
IPO | Class B Common Stock
Subsidiary, Sale of Stock [Line Items]
Number of shares sold (in shares)	0
Sale of stock, consideration received	$ 0

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