Real Estate and In-Place Lease Value - Gains on Sale of Real Estate, Net (Details) $ in Millions	6 Months Ended
Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($) property
Real Estate [Line Items]
Gain on sale of real estate, net	$ 402.0	$ 43.7
Equity interest sold (as a percent)	49.00%
Ownership percentage (as a percent)	51.00%
Net proceeds from sale of consolidated real estate	$ 394.1	$ 180.9
Revenue from Contract with Customer, Excluding Assessed Tax
Real Estate [Line Items]
Allowance for loan and lease losses	7.7
Other Depreciation And Amortization
Real Estate [Line Items]
Allowance for loan and lease losses	2.7
MF Portfolio Joint Venture
Real Estate [Line Items]
Deconsolidation gain (loss)	332.0
Net proceeds from sale of consolidated real estate	$ 166.4
Multifamily \| United Kingdom
Real Estate [Line Items]
Number of real estate properties sold \| property		1
Retail \| United Kingdom
Real Estate [Line Items]
Number of real estate properties sold \| property		11
Industrial Property \| United Kingdom
Real Estate [Line Items]
Number of real estate properties sold \| property		1
Office Property \| United Kingdom
Real Estate [Line Items]
Number of real estate properties sold \| property		1

Equity Interest Sold, Percentage

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Number of Real Estate Properties Sold

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No definition available.

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- Definition

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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- Definition

Amount of gain (loss) from deconsolidation of subsidiary and derecognition of group of assets constituting transfer of business or nonprofit activity, excluding conveyance of oil and gas mineral rights and transfer of good or service in contract with customer.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

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Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period.

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- Definition

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.

+ References

No definition available.

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