Debt - Revolving Credit Facility (Details) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Line of Credit Facility [Line Items]
Amount outstanding	$ 1,616,700,000	$ 1,601,300,000
Unsecured Revolving Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Borrowing capacity (up to)	500,000,000
Increase amount of borrowings, subject to lenders' approval (up to)	200,000,000
Amount outstanding	$ 0