Credit facility covenant, maximum distribution payout ratio of funds from operations

No definition available.

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- Definition

Credit facility covenant, percentage of net equity offering proceeds and interest in Operating Partnership in addition to minimum tangible net worth requirement

+ References

No definition available.

+ Details

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- Definition

Debt extension period

+ References

No definition available.

+ Details

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- Definition

Leverage Ratio Limit Under Existing Revolving Credit Facility

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Line of credit facility accordion feature.

+ References

No definition available.

+ Details

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

- Definition

The contingent increase above the maximum borrowing capacity under the credit facility, if any one or more of the existing banks or new banks agree to provide such increased commitment amount.

+ References

No definition available.

+ Details

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Balance Type:	credit
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- Definition

Line Of Credit Facility Weighted Average Percentage Outstanding Interest Rate.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Line of credit maximum borrowing capacity including accordion option.

+ References

No definition available.

+ Details

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

- Definition

Maximum the credit facility may be increased up until

+ References

No definition available.

+ Details

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

- Definition

The maximum percentage of debt to gross asset value for the two consecutive fiscal quarters immediately following the acquisition .

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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Period Type:	duration

- Definition

Maximum percentage of unemcumbered asset pool capitalized value

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum percentage of unemcumbered asset pool capitalized value for two consecutive quartes immediately following the acquisition.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of letters of credit.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Percentage of maximum debt to gross asset value.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentge of operating partnerships gross asset value.

+ References

No definition available.

+ Details

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Namespace Prefix:	qts_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Unencumbered asset pool debt yield limit

+ References

No definition available.

+ Details

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Namespace Prefix:	qts_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of unencumbered asset pool debt yield for the two consecutive fiscal quarters immediately following a material acquisition for which the Operating Partnership has provided written notice to the Agent.

+ References

No definition available.

+ Details

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Namespace Prefix:	qts_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, after accumulated amortization, of debt discount (premium).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for a specific purpose other than for financing goods acquired for inventory or imminent delivery to a customer.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The lowest amount of net worth (total assets minus total liabilities) required by secondary market investors or state-imposed regulatory mandates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 10
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-Paragraph 3
-Subparagraph (c)(a)
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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- Details

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- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
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Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
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Data Type:	na
Balance Type:
Period Type:

- Details

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Period Type:

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Debt (Unsecured Credit Facility Narrative) (Details)	1 Months Ended	12 Months Ended
Debt (Unsecured Credit Facility Narrative) (Details)	Oct. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) item	Dec. 31, 2015 USD ($)
Debt Instrument [Line Items]
Percentage of operating partnerships gross asset value		15.00%
Debt and Capital Lease Obligations		$ 977,708,000	$ 873,763,000
Debt instrument, discount		(11,882,000)	(12,194,000)
Total outstanding debt, net		965,826,000	861,569,000
Term Loan [Member]
Debt Instrument [Line Items]
Line of credit facility accordion feature		300,000,000
Outstanding debt		$ 500,000,000
Term Loan [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate		2.10%
Term Loan [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate		0.50%
Term Loan Maturing April 27, 2022 [Member]
Debt Instrument [Line Items]
Maturity date		Apr. 27, 2022
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity		$ 700,000,000
Maturity date		Dec. 17, 2020
Credit facility availability		$ 700,000,000
Maximum percentage of unencumbered asset pool capitalized value		60.00%
Maximum percentage of unencumbered asset pool capitalised value for two consecutive quarters		65.00%
Unencumbered asset pool debt yield limit		14.00%
Unencumbered asset pool debt yield limit for two consecutive quarters		12.50%
Leverage ratio		1.70%
Outstanding debt		$ 139,000,000	$ 224,002,000
Letter of Credit [Member]
Debt Instrument [Line Items]
Letter of credit outstanding		$ 1,500,000
Number of letters of credit \| item		2
Minimum [Member] \| Term Loan [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate		1.50%
Minimum [Member] \| Revolving Credit Facility [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate		1.55%
Minimum [Member] \| Revolving Credit Facility [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate		0.55%
Maximum [Member] \| Term Loan [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate		1.10%
Maximum [Member] \| Revolving Credit Facility [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate		2.15%
Maximum [Member] \| Revolving Credit Facility [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument spread on variable interest rate		1.15%
Unsecured Credit Facility [Member]
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity	$ 900,000,000	$ 1,200,000,000
Line of credit facility accordion feature	200,000,000
Increase the amount of line of credit facility	250,000,000
Additional borrowing capacity		300,000,000
Maximum the credit facility may be increased up until	1,100,000,000	1,500,000
Minimum tangible net worth		$ 1,179,931,500
Line of credit facility weighted average interest rate outstanding percentage		2.22%
Credit facility covenant, percentage ownership requirements in addition to minimum tangible net worth		75.00%
Credit facility covenant, maximum distribution payout ratio of funds from operations		95.00%
Maximum percentage on gross asset value		60.00%
Maximum percentage to gross asset value for the next two quarters		65.00%
Outstanding debt		$ 639,000,000
Unsecured Credit Facility [Member] \| Term Loan Maturing April 27, 2021 [Member]
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity	150,000,000
Maturity date		Apr. 27, 2021
Unsecured Credit Facility [Member] \| Term Loan Maturing April 27, 2022 [Member]
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity		$ 200,000,000
Unsecured Credit Facility [Member] \| Term Loan Maturing December 17,2021 [Member]
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity		$ 300,000,000
Maturity date		Dec. 17, 2021
Unsecured Credit Facility [Member] \| Term Loan Maturing December 17, 2020 [Member]
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity	150,000,000
Maturity date		Dec. 17, 2020
Unsecured Credit Facility [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity	$ 600,000,000
Debt extension period		1 year
Maturity date		Dec. 17, 2019
Chicago Facility [Member] \| Letter of Credit [Member]
Debt Instrument [Line Items]
Letter of credit outstanding		$ 500,000
Piscataway Facility \| Letter of Credit [Member]
Debt Instrument [Line Items]
Letter of credit outstanding		$ 100,000