Name:	cpa17_AcquisitionFeesCurrent
Namespace Prefix:	cpa17_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of fees incurred and payable, in equal annual installments of the three calendar years following the date of transaction, to the advisor for structuring and negotiating investments.

No definition available.

Name:	cpa17_AcquisitionFeesDeferred
Namespace Prefix:	cpa17_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of unpaid fees incurred and payable, in equal annual installments of the three calendar years following the date of transaction, to the advisor for structuring and negotiating investments.

No definition available.

Name:	cpa17_DeferredAcquisitionFeesUnpaid
Namespace Prefix:	cpa17_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Amount of cash generated from operations, excluding capital proceeds, as reduced by operating expenses and debt service, exluding prepayments and lump-sum or "balloon" payments, that is available to distribute to the advisor.

No definition available.

Name:	cpa17_DistributionsOfAvailableCash
Namespace Prefix:	cpa17_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount reimbursed to the advisor for property-specific costs, professional fees, office expenses, and business development expenses.

No definition available.

Name:	cpa17_OfficeRentReimbursements
Namespace Prefix:	cpa17_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount reimbursed to the advisor for the allocated costs of personnel and overhead in managing day-to-day operations.

No definition available.

Name:	cpa17_PersonnelReimbursements
Namespace Prefix:	cpa17_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Related parties fees paid and expenses reimbursed included in operating expenses.

No definition available.

Name:	cpa17_RelatedPartiesFeesPaidAndExpensesReimbursedIncludedInOperatingExpenses
Namespace Prefix:	cpa17_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount incurred to the advisor for services provided in connection with the disposition of investments.

No definition available.

Name:	cpa17_SubordinatedDispositionFees
Namespace Prefix:	cpa17_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	cpa17_TransactionFeesCapitalizedAbstract
Namespace Prefix:	cpa17_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Total amount of fees incurred to the advisor and expensed immediately for structuring and negotiating investments.

No definition available.

Name:	cpa17_TransactionFeesExpensed
Namespace Prefix:	cpa17_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Total amount of fees incurred to the advisor for structuring and negotiating investments and related mortgage financing, as applicable.

No definition available.

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

Total amount of unpaid fees incurred to the advisor for structuring and negotiating investments and the disposition of investments.

No definition available.

Name:	cpa17_UnpaidTransactionFees
Namespace Prefix:	cpa17_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	cpa17_UnpaidTransactionFeesAbstract
Namespace Prefix:	cpa17_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The aggregate costs related to asset management during the reporting period.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2(d))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688