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Area of a real estate property.

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Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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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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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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The number of real estate properties owned as of the balance sheet date.

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Business (Details) $ in Thousands, ft² in Millions	3 Months Ended		9 Months Ended
Business (Details) $ in Thousands, ft² in Millions	Sep. 30, 2021 USD ($) ft² building property	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) ft² building property	Sep. 30, 2020 USD ($)	Aug. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Noncontrolling Interest [Line Items]
Cash and cash equivalents	$ 2,961,564		$ 2,961,564			$ 2,987,225
General and administrative	7,572	$ 7,191	30,691	$ 26,097
Monmouth Real Estate Investment Corporation
Noncontrolling Interest [Line Items]
Business acquisition, transaction costs					$ 10,000
General and administrative	$ 100		$ 100
Consolidated Properties
Noncontrolling Interest [Line Items]
Number of real estate properties \| property	4		4
Number of buildings \| building	8		8
Square footage (in sqft) \| ft²	1.5		1.5
Operating Trust
Noncontrolling Interest [Line Items]
Noncontrolling interest, ownership percentage by parent	99.80%		99.80%