Real Estate Acquisitions (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Real Estate Properties [Line Items]
Below market lease, acquired	$ (457)	$ (593)
Acquired In-Place Leases
Real Estate Properties [Line Items]
Finite-lived intangible leases assets acquired	$ 946	$ 1,817
Acquired finite-lived intangible leases, weighted average useful life	6 years	15 years
Acquired Above-Market Leases
Real Estate Properties [Line Items]
Finite-lived intangible leases assets acquired	$ 74	$ 110
Acquired finite-lived intangible leases, weighted average useful life	3 years	4 years
Acquired Below-Market Leases
Real Estate Properties [Line Items]
Acquired finite-lived intangible leases, weighted average useful life	16 years	24 years
Shoppes of Lake Village
Real Estate Properties [Line Items]
Purchase price, real estate acquisition	$ 8,400
Atwater Marketplace
Real Estate Properties [Line Items]
Purchase price, real estate acquisition		$ 15,000

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

Amount of acquired leases acquired as part of a real property acquisition at below market lease rate with a finite life.

+ References

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

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- Definition

The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

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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.

+ References

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