The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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Amount of real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate.

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Gain Loss On Sale Of Other Assets and Liabilities.

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Real property dispositions.

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Dispositions and Assets Held for Sale - Summary of Real Property Disposition Activity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Real estate dispositions:
Total dispositions			$ 1,865,451	$ 829,749
Gain (loss) on real estate dispositions, net	$ 570,250	$ 24,723	735,977	373,662
Net other assets/liabilities disposed			(357)	5,090
Proceeds from real estate dispositions			2,601,071	1,208,501
Seniors Housing Operating
Real estate dispositions:
Total dispositions			1,204,084	2,200
Triple-net
Real estate dispositions:
Total dispositions			660,885	604,480
Outpatient Medical
Real estate dispositions:
Total dispositions			$ 482	$ 223,069