Acquired Intangible Assets and Liabilities - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Customer relationship value, acquired in-place lease value and other intangibles
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible assets	$ 59.8	$ 65.7	$ 194.4	$ 184.6
Rental and other services \| Below-market leases, net of above-market leases
Finite-Lived Intangible Assets [Line Items]
Increase (decrease) in revenue	$ 1.6	$ 1.0	$ 5.1	$ 1.5

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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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 increase (decrease) in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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