v3.21.2

Agreements and Transactions with Related Parties - Narratives (Details)	9 Months Ended
	Sep. 30, 2021 USD ($) property shares	Sep. 30, 2020 USD ($)	Jun. 30, 2021 $ / shares	Dec. 31, 2020 USD ($) property	Mar. 31, 2020
Related Party Transaction
Repayment of debt	$ 62,048,000	$ 0
Number of properties (property) \| property	54
Loans payable to joint venture	$ 5,500,000			$ 5,300,000
Percentage of asset management fees payable in cash (percent)					50.00%
Due to Related Party
Preferred return (as a percentage)	5.00%
Personnel and overhead reimbursement (as a percentage)	1.00%			1.00%
Distributions of available cash (as a percentage)	10.00%
Deferred
Due to Related Party
Interest rate on deferred acquisition fee	2.00%
Class A common stock
Related Party Transaction
Net asset value (usd per share) \| $ / shares			$ 8.91
Percentage of asset management fees payable in shares (percent)					50.00%
Minimum
Related Party Transaction
Ownership Interest In joint venture (as a percentage)	50.00%			50.00%
Maximum
Related Party Transaction
Ownership Interest In joint venture (as a percentage)	99.00%			99.00%
Affiliated Entity
Related Party Transaction
Number of properties (property) \| property	16			16
Affiliated Entity \| W.P. Carey
Related Party Transaction
Number of properties (property) \| property	4			4
Affiliated Entity \| Advisor \| Class A common stock
Related Party Transaction
Number of shares held by advisor (shares) \| shares	7,983,966
Advisor owned percentage of common stock (as a percentage)	5.30%
Line of Credit \| Affiliated Entity
Related Party Transaction
Maximum borrowing capacity	$ 50,000,000
Line of credit commitment fee (percentage)	0.20%
Repayment of debt	$ 21,100,000
Line of Credit \| Affiliated Entity \| LIBOR
Related Party Transaction
Variable interest rate (percentage)	1.05%

Asset Management Fees Payable In Cash Percent Of Total

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Asset Management Fees Payable In Shares Percent Of Total

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Distributions of Available Cash, Percentage

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Interest Rate On Deferred Acquisition Fee

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- Definition

Joint Venture Loans, Accounts Payable, And Other, Loans Due To Joint Venture Partners

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- Definition

The ownership interest in jointly owned investments by the reporting entity.

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- Definition

The percentage of our common stock outstanding held by our advisor.

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- Definition

The percentage threshold for personnel and overhead reimbursement chargeable by the advisor for personnel cost. Personnel expenses excludes costs related to the advisor’s legal transaction group allocated. The threshold is based on pro rata revenue.

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- Definition

The advisor's preferred non-compounded cumulative distribution return per annum.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- Definition

Balance held at close of period in number of shares.

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Net asset value per share or per unit of investments in certain entities that calculate net asset value per share. Includes, but is not limited to, by unit, membership interest, or other ownership interest. Investment includes, but is not limited to, investment in certain hedge funds, venture capital funds, private equity funds, real estate partnerships or funds. Excludes fair value disclosure.

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- Definition

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

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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 cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates.

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CORPORATE PROPERTY ASSOCIATES 18 GLOBAL INC 10-Q