Ownership Percentage of Senior Notes

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- Definition

Parent Company's Ownership Percentage

+ References

No definition available.

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- Definition

Percentage Of Limited Partners Capital Account Units Purchased

+ References

No definition available.

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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.

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No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes 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 210.9-03.16)
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-Topic 210
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
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-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
-Article 5

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- Definition

The cash inflow associated with the amount received from entity's first offering of stock to the public.

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-Name Accounting Standards Codification
-Topic 230
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-Paragraph 14
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-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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Guarantors - Narrative (Details) - USD ($)	Jul. 01, 2015	Apr. 07, 2015	Jun. 25, 2014	Jan. 24, 2013	Dec. 31, 2015	Dec. 31, 2014	Nov. 20, 2012
Condensed Financial Statements, Captions [Line Items]
Long-term debt					$ 996,500,000	$ 644,300,000
Combined interest held on completion of transactions				33.90%
Parent Guarantor
Condensed Financial Statements, Captions [Line Items]
Long-term debt					$ 0	0
Combined interest held on completion of transactions				33.90%
CyrusOne GP
Condensed Financial Statements, Captions [Line Items]
Combined interest held on completion of transactions					1.00%
Non- Guarantors
Condensed Financial Statements, Captions [Line Items]
Long-term debt					$ 0	$ 0
Parent Company's Ownership Percentage					100.00%
6.375% senior notes due 2022, including bond premium
Condensed Financial Statements, Captions [Line Items]
Stated interest rate					6.375%	6.375%
6.375% senior notes due 2022, including bond premium \| CyrusOne GP
Condensed Financial Statements, Captions [Line Items]
Ownership Percentage of Senior Notes					100.00%
6.375% Senior Notes \| 6.375% senior notes due 2022, including bond premium
Condensed Financial Statements, Captions [Line Items]
Long-term debt					$ 477,600,000	$ 374,800,000
Stated interest rate					6.375%
6.375% Senior Notes \| 6.375% senior notes due 2022, including bond premium \| Cyrus One Lp And Cyrus One Finance Corp
Condensed Financial Statements, Captions [Line Items]
Long-term debt							$ 525,000,000
Stated interest rate					6.375%		6.375%
IPO
Condensed Financial Statements, Captions [Line Items]
Net proceeds from IPO after underwriting discounts and commissions	$ 170,300,000	$ 426,000,000	$ 355,900,000
IPO \| Parent Guarantor
Condensed Financial Statements, Captions [Line Items]
Net proceeds from IPO after underwriting discounts and commissions				$ 337,100,000