Mortgage Notes Payable, Net - Schedule of Long-term Debt Instruments (Details) $ in Thousands	9 Months Ended
Sep. 30, 2020 USD ($) property	Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
Mortgage notes payable, net	$ 1,417,712	$ 1,272,154
Mortgage notes payable
Debt Instrument [Line Items]
Encumbered properties (property) \| property	124
Outstanding Loan Amount	$ 1,434,966	1,287,448
Effective Interest Rate	3.40%
Mortgage discount	$ 0	(26)
Deferred financing costs, net of accumulated amortization	(17,254)	(15,268)
Mortgage notes payable, net	$ 1,417,712	1,272,154
Mortgage notes payable \| EUR
Debt Instrument [Line Items]
Encumbered properties (property) \| property	20
Outstanding Loan Amount	$ 369,912	303,383
Mortgage notes payable \| EUR \| Finland Properties
Debt Instrument [Line Items]
Encumbered properties (property) \| property	5
Outstanding Loan Amount	$ 86,762	82,996
Effective Interest Rate	1.70%
Percentage fixed interest rate	80.00%
Percentage variable interest rate	20.00%
Mortgage notes payable \| EUR \| Finland Properties \| Euribor Rate
Debt Instrument [Line Items]
Interest rate spread	1.40%
Mortgage notes payable \| EUR \| Worldline
Debt Instrument [Line Items]
Encumbered properties (property) \| property	0
Outstanding Loan Amount	$ 0	5,608
Effective Interest Rate	0.00%
Mortgage notes payable \| EUR \| DCNS
Debt Instrument [Line Items]
Encumbered properties (property) \| property	0
Outstanding Loan Amount	$ 0	10,655
Effective Interest Rate	0.00%
Mortgage notes payable \| EUR \| ID Logistics II
Debt Instrument [Line Items]
Encumbered properties (property) \| property	0
Outstanding Loan Amount	$ 0	11,776
Effective Interest Rate	0.00%
Mortgage notes payable \| EUR \| French Properties
Debt Instrument [Line Items]
Encumbered properties (property) \| property	7
Outstanding Loan Amount	$ 82,072	0
Effective Interest Rate	2.50%
Percentage fixed interest rate	90.00%
Percentage variable interest rate	10.00%
Mortgage notes payable \| EUR \| French Properties \| Euribor Rate
Debt Instrument [Line Items]
Interest rate spread	2.30%
Mortgage notes payable \| EUR \| Germany Properties
Debt Instrument [Line Items]
Encumbered properties (property) \| property	5
Outstanding Loan Amount	$ 60,382	57,761
Effective Interest Rate	1.80%
Percentage fixed interest rate	80.00%
Percentage variable interest rate	20.00%
Mortgage notes payable \| EUR \| Germany Properties \| Euribor Rate
Debt Instrument [Line Items]
Interest rate spread	1.55%
Mortgage notes payable \| EUR \| Benelux Properties
Debt Instrument [Line Items]
Encumbered properties (property) \| property	3
Outstanding Loan Amount	$ 140,696	134,587
Effective Interest Rate	1.40%
Mortgage notes payable \| GBP
Debt Instrument [Line Items]
Encumbered properties (property) \| property	42
Outstanding Loan Amount	$ 287,304	294,315
Mortgage notes payable \| GBP \| United Kingdom Properties
Debt Instrument [Line Items]
Encumbered properties (property) \| property	42
Outstanding Loan Amount	$ 287,304	294,315
Effective Interest Rate	3.10%
Percentage fixed interest rate	80.00%
Percentage variable interest rate	20.00%
Mortgage notes payable \| GBP \| United Kingdom Properties \| LIBOR
Debt Instrument [Line Items]
Interest rate spread	2.00%
Mortgage notes payable \| USD
Debt Instrument [Line Items]
Encumbered properties (property) \| property	62
Outstanding Loan Amount	$ 777,750	689,750
Mortgage notes payable \| USD \| Penske Logistics
Debt Instrument [Line Items]
Encumbered properties (property) \| property	1
Outstanding Loan Amount	$ 70,000	70,000
Effective Interest Rate	4.70%
Mortgage notes payable \| USD \| Multi-Tenant Mortgage Loan I
Debt Instrument [Line Items]
Encumbered properties (property) \| property	12
Outstanding Loan Amount	$ 187,000	187,000
Effective Interest Rate	4.40%
Mortgage notes payable \| USD \| Multi-Tenant Mortgage Loan II
Debt Instrument [Line Items]
Encumbered properties (property) \| property	8
Outstanding Loan Amount	$ 32,750	32,750
Effective Interest Rate	4.40%
Mortgage notes payable \| USD \| Multi-Tenant Mortgage Loan III
Debt Instrument [Line Items]
Encumbered properties (property) \| property	7
Outstanding Loan Amount	$ 98,500	98,500
Effective Interest Rate	4.90%
Mortgage notes payable \| USD \| Multi-Tenant Mortgage Loan IV
Debt Instrument [Line Items]
Encumbered properties (property) \| property	16
Outstanding Loan Amount	$ 97,500	97,500
Effective Interest Rate	4.60%
Mortgage notes payable \| USD \| Multi-Tenant Mortgage Loan V
Debt Instrument [Line Items]
Encumbered properties (property) \| property	12
Outstanding Loan Amount	$ 204,000	204,000
Effective Interest Rate	3.70%
Mortgage notes payable \| USD \| Whirlpool Loan
Debt Instrument [Line Items]
Encumbered properties (property) \| property	6
Outstanding Loan Amount	$ 88,000	$ 0
Effective Interest Rate	3.50%

Debt Instrument, Fixed Interest, Percent Of Principal Amount Covered By Derivative Instrument

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- Definition

Debt Instrument, Variable Interest, Percent Of Principal Amount Covered By Derivative Instrument

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- Definition

Number of Real Estate Properties, Encumbered

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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

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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- Definition

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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- Definition

Amount, after accumulated amortization, of debt discount.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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