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Investments in Real Estate - Properties with Existing Leases Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) property	Mar. 31, 2020 USD ($) property
Real Estate Properties [Line Items]
Value of properties acquired during the period	$ 1,027,802	$ 486,015
Number of properties acquired during the period | property	110	65
Rental revenue
Real Estate Properties [Line Items]
Amortization of above and below market Leases	$ 12,400	$ 8,200
In-place leases
Real Estate Properties [Line Items]
Depreciation and amortization expense	35,800	32,600
Real Estate Investment
Real Estate Properties [Line Items]
Value of properties acquired during the period	1,000,000	486,000
Real Estate Investment | Properties with existing leases | In-place leases
Real Estate Properties [Line Items]
Value of properties acquired during the period	$ 856,800	$ 363,000
Number of properties acquired during the period | property	68	39

X

- Definition

The number of new properties and properties under development in which the entity invested during the period.

+ References

No definition available.

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- Definition

Represents the net assets recorded as part of the real estate acquisition.

+ References

No definition available.

+ Details

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X

- Definition

Amount of non-cash amortization of intangible asset (liability) for above and below market leases.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
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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.

+ References

No definition available.

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