Investments in Real Estate - Acquisitions Narrative (Details) - Real Estate Investment - USD ($)	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019
Investments in real estate properties
Contingent consideration associated with acquisitions	$ 0	$ 0
Revenue generated from acquired properties during the period	27,500,000	47,100,000
Net income generated from acquired properties during the period	$ 9,400,000	$ 21,900,000

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.

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