Investments in Real Estate - Gain on Sales of Real Estate (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($) property	Jun. 30, 2023 USD ($) property	Jun. 30, 2024 USD ($) property	Jun. 30, 2023 USD ($) property
Properties sold during the period
Number of properties | property	76	29	122	55
Net sales proceeds	$ 106.3	$ 31.9	$ 201.9	$ 60.5
Gain on sales of real estate	$ 25.2	$ 7.8	$ 41.7	$ 12.1