Ownership Percentage of Senior Notes

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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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- 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

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. 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 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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-Section S99
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-Section S99
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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
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-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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Guarantors - Narrative (Details) - USD ($)	Jan. 24, 2013	Sep. 30, 2016	Dec. 31, 2015	Nov. 20, 2012
Condensed Financial Statements, Captions [Line Items]
Long-term debt, net		$ 1,065,700,000	$ 996,500,000
Total Stockholders' Equity/ Parent’s Net Investment
Condensed Financial Statements, Captions [Line Items]
Long-term debt, net		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-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Long-term debt, net		$ 0	$ 0
Ownership percent of senior notes		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 \| 6.375% senior notes due 2022, including bond premium
Condensed Financial Statements, Captions [Line Items]
Long-term debt, net		$ 477,400,000	$ 477,600,000
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, net				$ 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	$ 337,100,000
IPO \| Total Stockholders' Equity/ Parent’s Net Investment
Condensed Financial Statements, Captions [Line Items]
Net proceeds from IPO after underwriting discounts and commissions	$ 337,100,000