Acquisition

No definition available.

Name:	cpa17_AcquisitionAbstract
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- Definition

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Non-cash Contributions from Noncontrolling Interest

+ References

No definition available.

+ Details

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Namespace Prefix:	cpa17_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying Value of Previously Held Equity Investment

+ References

No definition available.

+ Details

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Namespace Prefix:	cpa17_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Expected Costs For Build-to-Suit Investments

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Fair Value of Interest in Joint Venture

+ References

No definition available.

+ Details

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

- Definition

The gain recorded in the period arising from the change in ownership of an equity investment.

+ References

No definition available.

+ Details

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Namespace Prefix:	cpa17_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Gross Purchase Price of Property

+ References

No definition available.

+ Details

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Namespace Prefix:	cpa17_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The increase decrease in foreign currency exchange rate.

+ References

No definition available.

+ Details

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Namespace Prefix:	cpa17_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The change in ownership percentage of equity investments during the period.

+ References

No definition available.

+ Details

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

- Definition

The indirect ownership interest in equity investments held by the company as of the reporting date.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
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- Definition

Insurance Adjuster Fees

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Insurance Premium for Catastrophic Event

+ References

No definition available.

+ Details

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

- Definition

The total cost to acquire investments. In instances where the acquired investment is categorized as a business combination the investment price excludes fees and expenses related to the acquisition, whereas when the investment is categorized as an real estate acquisition the acquisition fees are capitalized.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Non Recourse Mortgage Loans Paid by Buyer

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

The number of properties acquired related to the respective investment.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Number of Open Built to Suit Projects, Count

+ References

No definition available.

+ Details

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- Definition

The number of properties sold during the period.

+ References

No definition available.

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- Definition

The ownership interest in jointly owned investments by the reporting entity.

+ References

No definition available.

+ Details

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- Definition

Remediation Cost

+ References

No definition available.

+ Details

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- Definition

Total amount of fees incurred to the advisor for structuring and negotiating investments and related mortgage financing that are capitalized.

+ References

No definition available.

+ Details

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- Definition

Amount of commitment unfunded as of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
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- Definition

Amount of facility held for productive use including, but not limited to, office, production, storage and distribution facilities, acquired at the acquisition date.

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-Publisher FASB
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-SubTopic 20
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-Paragraph 1
-Subparagraph (c)
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- Definition

Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date.

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-Paragraph 1
-Subparagraph (c)
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- Definition

Amount of real estate acquired, at the acquisition date.

+ References

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Amount of gain on the sale of property that does not qualify for gain recognition as of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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-Publisher FASB
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 3
-Subparagraph (a)(1)
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- Definition

Fair value portion of investments accounted under the equity method.

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-SubTopic 10
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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

No definition available.

+ Details

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- Definition

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

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- References

No definition available.

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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 2
-Subparagraph (SX 210.5-03(12))
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-Paragraph 1
-Subparagraph (SX 210.9-04(13)(f))
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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- Definition

Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.

+ References

No definition available.

+ Details

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- Definition

Cost of real estate projects incurred for projects for eventual sale or transfer (condominium or time share projects, vacation clubs).

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

The amount of estimated liability as of the balance sheet date for the specific conflagration, earthquake, windstorm, explosion, or similar event.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=65670824&loc=d3e14764-158437

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- Definition

Amount before allowance of commercial construction loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans covered under loss sharing agreements.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Paragraph 3
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale.

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-Topic 942
-SubTopic 210
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-Paragraph 1
-Subparagraph (SX 210.9-03.10(3))
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- Definition

The number of businesses acquired by the entity during the period.

+ References

No definition available.

+ Details

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- Definition

Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Paragraph 20
-Subparagraph (b,c)
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-Paragraph 10A
-Subparagraph (a)
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- Definition

Amount of cash inflow (outflow) from (to) a noncontrolling interest. Excludes dividends paid to the noncontrolling interest.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 45
-Paragraph 15
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- Definition

Cash received for the sale of real estate that is not part of an investing activity during the current period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
-Paragraph 12
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- Definition

Amount of land for entities with a substantial portion of business acquiring and holding investment real estate. Excludes real estate not held as an investment or interest.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (SX 210.12-28)
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-Subparagraph (SX 210.5-04.(c) Schedule III)
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- Definition

Initial cost of buildings and improvements for entities with a substantial portion of business acquiring and holding investment real estate. Excludes real estate not held as an investment or interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

Amount of increase in real estate investments related to improvements for entities with a substantial portion of business acquiring and holding investment real estate.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Real Estate, Operating Real Estate, and Assets Held for Sale - Narratives (Details) $ in Thousands																1 Months Ended	3 Months Ended		9 Months Ended	12 Months Ended
	Dec. 08, 2017 USD ($)	Oct. 27, 2017 USD ($)	Oct. 03, 2017 USD ($)	Jul. 19, 2017 USD ($)	Mar. 13, 2017 USD ($)	Feb. 02, 2017 USD ($)	Dec. 14, 2016 USD ($)	Nov. 29, 2016 USD ($)	Nov. 01, 2016 USD ($) property	Oct. 26, 2016 entity	Sep. 30, 2016 USD ($)	Sep. 01, 2016 USD ($)	Apr. 11, 2016 USD ($)	Feb. 10, 2016 USD ($)	Jan. 08, 2016 USD ($)	Jun. 30, 2017 property	Dec. 31, 2017 USD ($) property $ / €	Jun. 30, 2016 USD ($)	Dec. 31, 2016 USD ($) $ / €	Dec. 31, 2017 USD ($) property $ / €	Dec. 31, 2016 USD ($) property $ / €	Dec. 31, 2015 USD ($)	Sep. 30, 2017 USD ($)	Mar. 31, 2017	Mar. 17, 2017 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)
Foreign Currency Translation
Effects of foreign currency translation on balance sheet item																				$ 100,948	$ (18,785)	$ (81,037)
Depreciation expense including effects of foreign currency translation																				64,600	63,100	57,900
Acquisition
Acquisition-related cost and fees, capitalized																				10,361	7,757	15,363
Acquired finite-lived intangible asset, amount																				2,000
Acquisition costs, expensed																				1,343	7,157	651
(Loss) gain on change in control of interests																				(13,851)	49,922	0
Loss on equity method investments																				(261)	(3,262)	(14,667)
Financing receivable																	$ 619,728		$ 539,892	619,728	$ 539,892
I Drive Wheel
Acquisition
Financing receivable																											$ 50,000
Deferred gain on the sale of property																									$ 16,400
I Drive Property
Acquisition
Financing receivable																									34,000
Deferred gain on the sale of property																									2,100
I Drive Property \| Developer
Acquisition
Gross purchase price																									117,500
Non recourse mortgage loan paid by buyer																	$ 60,000			$ 60,000					60,000
Self storage
Acquisition
Number of properties sold \| property																					34
Disposal Group, Disposed of by Sale, Not Discontinued Operations
Acquisition
Proceeds from assets disposed of					$ 14,100
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Direct Financing Lease
Acquisition
Number of properties sold \| property																2
Disposal Group, Held-for-sale, Not Discontinued Operations
Acquisition
Number of properties sold \| property																				3
Self storage
Acquisition
Ownership interest, percentage																	100.00%		100.00%	100.00%	100.00%
Number of entities acquired \| entity										4
Carrying Value \| I Drive Property
Acquisition
Assets fair value																									$ 18,600
Shelborne
Acquisition
Loans receivable																										$ 174,000	$ 125,000
Ownership interest, percentage																											33.00%
Ownership interest in joint venture																	95.50%			95.50%
Proceeds from noncontrolling interest			$ 4,000
Due from insurer																	$ 30,800			$ 30,800
Liability for catastrophic event																							$ 31,200
Insurance premium for catastrophic event																							1,800
Insurance adjuster fees																	2,700
Shelborne \| Third Party
Acquisition
Ownership interest, percentage																											67.00%
Ownership interest in joint venture			4.50%
Shelborne \| Equity Method Investments
Acquisition
Insurance premium for catastrophic event																							$ 1,700
Madison Storage NYC, LLC and Veritas Group IX-NYC, LLC \| Self storage
Acquisition
Investment purchase price													$ 22,000
Acquisition costs, expensed													$ 3,700									3,700
Ownership interest, percentage													100.00%						45.00%		45.00%			100.00%		45.00%
(Loss) gain on change in control of interests																		$ 49,900
Indirect ownership interest in equity investments																			40.00%		40.00%					40.00%
Increase in ownership equity investments										40.00%			15.00%								15.00%
Madison Storage NYC, LLC and Veritas Group IX-NYC, LLC \| Carrying Value \| Self storage
Acquisition
Assets fair value													$ 15,100
Madison Storage NYC, LLC and Veritas Group IX-NYC, LLC \| Fair Value \| Self storage
Acquisition
Assets fair value													64,900
Madison Storage NYC, LLC and Veritas Group IX-NYC, LLC
Acquisition
Investment purchase price													11,363
Land assumed													26,941
Building assumed													109,399
(Loss) gain on change in control of interests													49,922
Carrying value of previously held equity investment													$ 15,134
Loss on equity method investments																			$ 400
Shelborne
Acquisition
(Loss) gain on change in control of interests			$ (13,851)
Carrying value of previously held equity investment			118,727
Fair value of our majority interest in investment			104,876
Due from insurer			29,400
Non cash contributions from noncontrolling interest			$ 5,500
Remediation costs																	1,400
Real estate
Foreign Currency Translation
Effects of foreign currency translation on balance sheet item																				145,900
Acquisition
Investment purchase price																					$ 134,800
Land acquired in real estate acquisition																			8,600		8,600
Buildings acquired in real estate acquisition																			97,000		97,000
Acquisition-related cost and fees, capitalized																					7,100
Acquired finite-lived intangible asset, amount																					29,200
Acquisition costs, expensed																					2,600
Improvements																					10,400
Real estate under construction																	$ 4,597		0	$ 4,597	0
Real estate \| Student Accommodation in Jacksonville, FL
Acquisition
Investment purchase price															$ 17,300
Real estate \| Industrial Facility in Houston, TX
Acquisition
Investment purchase price														$ 4,200
Real estate \| Office Building in Oak Creek, Wisconsin
Acquisition
Investment purchase price												$ 16,900
Real estate \| Manufacturing Building in Perryburg, Ohio
Acquisition
Investment purchase price											$ 12,800
Real estate \| Facility in Buffalo Grove, IL
Acquisition
Investment purchase price						$ 11,500
Land acquired in real estate acquisition						2,000
Buildings acquired in real estate acquisition						7,500
Acquisition-related cost and fees, capitalized						500
Acquired finite-lived intangible asset, amount						$ 2,000
Real estate \| Property in Zary Poland
Acquisition
Land acquired in real estate acquisition				$ 400
Acquisition-related cost and fees, capitalized				300
Anticipated future construction costs				$ 5,900
Real estate \| Land in Dillon, South Carolina
Acquisition
Acquisition-related cost and fees, capitalized		$ 2,300
Anticipated future construction costs		$ 47,100
Real estate \| Facility in Zabia Wola, Poland
Acquisition
Investment purchase price								$ 32,600
Acquisition-related cost and fees, capitalized	$ 300
Acquired finite-lived intangible asset, amount								2,000
Anticipated future construction costs	$ 5,500
Land assumed								100
Deferred tax liability								$ 2,100
Real estate \| Distribution Centers in Tiffin, Ohio; Kalamazoo, Michigan; Andersonville, Tennessee; Shelbyville, Indiana; and Millwood, West Virginia
Acquisition
Investment purchase price									$ 38,200
Number of properties acquired \| property									5
Real estate \| Facility in Kaunas, Lithuania
Acquisition
Investment purchase price							$ 64,000
Deferred tax liability							$ 500
Business Combinations
Acquisition
Investment purchase price																					51,200
Acquired finite-lived intangible asset, amount																					4,300
Land assumed																			6,700		6,700
Building assumed																			$ 40,200		40,200
Real estate under construction
Acquisition
Number of open built to suit projects \| property																	3			3
Unfunded commitments																	$ 56,500			$ 56,500
Operating real estate
Foreign Currency Translation
Depreciation expense including effects of foreign currency translation																				$ 6,700	$ 7,800	$ 8,400
Euro
Foreign Currency Translation
Increase decrease in foreign currency exchange rate																	13.80%			13.80%
Foreign currency exchange rate \| $ / €																	1.1993		1.0541	1.1993	1.0541