The number of acres of land acquired.

No definition available.

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- Definition

The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230

Reference 2: 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=118932676&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228

+ Details

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- Definition

Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919359-209981

+ Details

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- Definition

The cash outflow from the acquisition of real estate intended to generate income for the owner; excludes land acquired for use by the owner.

+ References

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=118932676&loc=d3e3213-108585

+ Details

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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.

+ Details

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- Details

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- Details

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- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=qts_AshburnVirginiaLandMember
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- Details

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- Details

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- Details

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Acquisitions and Sales (Land Parcels) (Details) $ in Millions	1 Months Ended				12 Months Ended
	Nov. 30, 2019 USD ($) a	Jul. 31, 2019 USD ($) a	Apr. 30, 2019 USD ($) a	Oct. 31, 2018 USD ($) a	Dec. 31, 2018 USD ($) a	Dec. 31, 2019
Atlanta DC Two Facility
Property, Plant and Equipment [Line Items]
Acres of land \| a			4
Payments to Acquire Land			$ 2.2
Atlanta DC One Facility
Property, Plant and Equipment [Line Items]
Acres of land \| a				55
Payments to Acquire Land				$ 80.1
Land in Ashburn, Virginia
Property, Plant and Equipment [Line Items]
Acres of land \| a		28
Payments to Acquire Land		$ 22.4
Land in Richmond, Virginia
Property, Plant and Equipment [Line Items]
Acres of land \| a	75
Payments to Acquire Land	$ 7.0
Land in Manassas, Virginia \| Construction in Progress
Property, Plant and Equipment [Line Items]
Acres of land \| a					118
Payments to Acquire Land					$ 37.0
Atlanta Building Sale
Property, Plant and Equipment [Line Items]
Gain on sale of property	$ 1.4
Lessor, Operating Lease, Term of Contract						20 years