Subsequent Events (Details) - Acquisitions $ in Thousands	Oct. 03, 2018 USD ($) ft²	Jul. 17, 2018 ft²
Subsequent Event [Line Items]
Square footage		36,000,000
Real Estate \| Subsequent Event
Subsequent Event [Line Items]
Contractual purchase price \| $	$ 18,750
Square footage	103,438
Leased percentage of rentable square feet at acquisition	90.50%

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration