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Other Investments (Net Lease Venture II) (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Nov. 30, 2021	Mar. 31, 2022
Schedule of Equity Method Investments [Line Items]
Equity interest		51.90%
Payments to acquire property	$ 33.3
Net Lease Venture II | Office laboratory property | Liabilities associated with real estate held for sale and classified as discontinued operations
Schedule of Equity Method Investments [Line Items]
Mortgage liability assumed	44.4
Safehold Inc. | Net Lease Venture II | Office laboratory property
Schedule of Equity Method Investments [Line Items]
Payment to terminate a real estate purchase option		$ 0.3
Net Lease Venture II | Office laboratory property
Schedule of Equity Method Investments [Line Items]
Payments to acquire property	$ 0.6

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The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

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