Acquisition

No definition available.

Name:	cpa17_AcquisitionAbstract
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- Definition

Amount of assets under construction that are now placed into service as the balance sheet date.

+ References

No definition available.

+ Details

Name:	cpa17_ConstructionInProgressPlacedIntoService
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

Construction costs capitalized to date on capital projects that have not been completed and assets being constructed that are not ready to be placed into service.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- 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

Name:	cpa17_InvestmentPurchasePrice
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of construction projects that have been completed and reclassified out of construction in progress to an appropriate asset account.

+ References

No definition available.

+ Details

Name:	cpa17_NumberOfCompletedConstructionProjects
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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of construction projects currently in progress.

+ References

No definition available.

+ Details

Name:	cpa17_NumberOfConstructionProjectsDuringPeriod
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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of properties acquired related to the respective investment.

+ References

No definition available.

+ Details

Name:	cpa17_NumberOfPropertiesAcquired
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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- 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

Name:	cpa17_TransactionFeesIncurred
Namespace Prefix:	cpa17_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Value transferred in or out of assets in noncash transactions.

+ References

No definition available.

+ Details

Name:	cpa17_TransferOfAssetsNoncash
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of commitment unfunded as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	cpa17_UnfundedCommitment
Namespace Prefix:	cpa17_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

-URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e1043-128460

+ Details

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

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 605

-SubTopic 40

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 5.U.Q2)

-URI http://asc.fasb.org/extlink&oid=6955272&loc=d3e221323-122791

+ Details

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

- Definition

Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 45

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759

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

- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, resulting from a business combination.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Amount of interest capitalized during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Allowance for Funds Used during Construction

-URI http://asc.fasb.org/extlink&oid=6504829

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391

+ 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 30

-Section 45

-Paragraph 20

-Subparagraph (b,c)

-URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32211-110900

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 10A

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580

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

- 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 10

-Section S99

-Paragraph 6

-Subparagraph (SX 210.5-04.(c) Schedule III)

-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 970

-SubTopic 360

-Section S99

-Paragraph 1

-Subparagraph (SX 210.12-28.4)

-URI http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph c

-Subparagraph Schedule III

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 28

-Article 12

+ Details

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

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Net Investments in Properties and Real Estate Under Construction (Narratives) (Details) $ in Thousands					3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 26, 2015 USD ($) property	Feb. 26, 2015 USD ($) property	Jan. 16, 2015 USD ($)	Apr. 24, 2014 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) property	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($) property
Foreign Currency Translation
Effects of foreign currency translation on balance sheet item					$ 28,840		$ (5,010)	$ (59,890)	$ (6,070)
Acquisition
Acquisition-related cost and fees, capitalized					4,507		2,033	8,670	2,045
Acquisition costs, expensed					39		272	642	$ 1,401
Number of construction projects put in service \| property										4
Ishops
Acquisition
Gain on the sale of property				$ 14,600		$ 2,200	$ 12,400
Deferred gain on the sale of property				$ 2,200
Real estate
Foreign Currency Translation
Effects of foreign currency translation on balance sheet item								(67,900)
Acquisition
Investment purchase price								154,800
Acquired finite-lived intangible asset, amount								40,500
Acquisition-related cost and fees, capitalized								7,000
Additional funding for building improvements								$ 3,100
Real estate \| Office facility in San Antonio, TX
Acquisition
Investment purchase price			$ 22,200
Real estate \| Warehouse facility in Mszczonów and Tomaszów Mazowiecki, Poland
Acquisition
Investment purchase price		$ 63,800
Number of properties acquired \| property		2
Real estate \| Bon-Ton Retail facilities
Acquisition
Investment purchase price	$ 68,800
Number of properties acquired \| property	4
Real estate under construction
Acquisition
Number of properties acquired										7
Number of construction projects put in service \| property								3		1
Assets placed into service, value								$ 117,120		$ 96,807
Capitalized interest								2,125		6,661
Capitalized funds								$ 14,090		$ 74,420
Number of open construction projects \| property								1		2
Unfunded commitments					$ 6,700			$ 6,700		$ 12,500
Ongoing Build-to-Suit Projects \| Real estate under construction
Acquisition
Capitalized funds								$ 5,900
Number of open construction projects \| property								3
New Build-to-Suit Projects \| Real estate under construction
Acquisition
Capitalized funds								$ 8,200
Number of open construction projects \| property								1
Completed construction projects put in service
Acquisition
Number of construction projects put in service \| property										3
Completed construction projects put in service \| Real estate
Acquisition
Transfer of assets noncash										$ 81,900
Partially completed projects put in service \| Operating real estate
Acquisition
Transfer of assets noncash										$ 14,900