Income Taxes (Details) - USD ($)	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Ordinary dividends	58.00%	47.00%	60.00%
Nontaxable distributions	42.00%	53.00%	40.00%
Total	100.00%	100.00%	100.00%
State and local income tax and franchise tax expense (benefit), continuing operations	$ 2,200,000	$ 1,300,000	$ 473,000
Unrecognized tax benefits	$ 0	$ 0

The percentage total of the characterized distributions for the period.

No definition available.

Name:	ccptiv_DividendsPercentage
Namespace Prefix:	ccptiv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of total distributions for the period that are characterized as nontaxable distributions.

+ References

No definition available.

+ Details

Name:	ccptiv_NonTaxableDividendsPercentageOfDividends
Namespace Prefix:	ccptiv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of total distributions for the period that are characterized as ordinary dividends.

+ References

No definition available.

+ Details

Name:	ccptiv_OrdinaryDividendsPercentageofDividends
Namespace Prefix:	ccptiv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The total state and local income and franchise taxes expense charged against earnings for the period.

+ References

No definition available.

+ Details

Name:	ccptiv_StateAndLocalIncomeTaxAndFranchiseTaxExpenseBenefitContinuingOperations
Namespace Prefix:	ccptiv_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Unrecognized Tax Benefit
-URI http://asc.fasb.org/extlink&oid=6527854

+ Details

Name:	us-gaap_UnrecognizedTaxBenefits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant