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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Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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This element represents the amount of gain (loss) on sale of properties during the reporting period net of the applicable income taxes realized.

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The fair value of notes assumed in noncash investing or financing activities.

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The cash inflow associated with the amount received from the sale of a business segment or subsidiary or sale of an entity that is related to it but not strictly controlled during the period (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment).

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The cash inflow from the sale of real estate held-for-investment and real estate joint ventures.

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The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.

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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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Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Real Estate Investments and Related Intangibles - Property Dispositions and Real Estate Assets Held for Sale (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) property joint_venture	Dec. 31, 2018 USD ($) property	Dec. 31, 2017 USD ($) property
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds after debt assumptions and closing costs	$ 1,067,532	$ 502,289	$ 445,525
Gain on disposition of real estate and real estate assets held for sale, net	292,647	94,331	61,536
Proceeds from disposition of discontinued operations	$ 0	$ 122,915	0
Number of properties classified held for sale \| property	5	5
Carrying value of properties classified as held for sale	$ 27,000
Gain (loss) related to held for sale	$ (1,300)	$ (1,900)	$ (3,100)
Consolidated Property Dispositions, 2019 [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of real estate properties disposed \| property	201
Number of consolidated properties sold \| property	6
Number of joint ventures formed \| joint_venture	2
Number of properties foreclosed on \| property	1
Aggregate proceeds	$ 1,200,000
Company's share of proceeds	1,100,000
Proceeds after debt assumptions and closing costs	1,100,000
Gain on disposition of real estate and real estate assets held for sale, net	$ 293,900
Consolidated Property Dispositions, 2018 [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of real estate properties disposed \| property		149
Aggregate proceeds		$ 526,400
Company's share of proceeds		504,300
Proceeds after debt assumptions and closing costs		496,700
Gain on disposition of real estate and real estate assets held for sale, net		$ 96,200
Debt instrument, number of properties conveyed to lender \| property		1
Unconsolidated Property Dispositions, 2018 [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Company's share of proceeds		$ 17,100
Number of disposed properties owned by unconsolidated joint ventures \| property		1
Proceeds from disposition of discontinued operations		$ 34,100
Proceeds from after debt repayments and closing costs		5,600
Debt repayments		20,400
Net gain (loss) on sale of properties		$ 700
Consolidated Property Dispositions, 2017 [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of real estate properties disposed \| property			137
Aggregate proceeds			$ 594,900
Company's share of proceeds			574,400
Proceeds after debt assumptions and closing costs			445,500
Gain on disposition of real estate and real estate assets held for sale, net			$ 64,700
Debt instrument, number of properties conveyed to lender \| property			6
Number of consolidated joint ventures disposed of \| property			1
Number of real estate properties disposed in non monetary exchange \| property			15
Notes assumed			$ 66,000
Red Lobster [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of real estate properties disposed \| property	36	34	31
Number of real estate properties disposed in non monetary exchange \| property			15
Land [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Carrying value of properties classified as held for sale	$ 6,300
Building Fixtures and Improvements [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Carrying value of properties classified as held for sale	$ 19,800
Foreign Tax Authority [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on sale of properties, applicable income taxes			$ 1,700
Industrial Partnership [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage	20.00%