Fair Value of Financial Instruments - Summary of Fair Value Measurements of Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Fair Value Disclosures [Line Items]
Subtotal	$ 1,249,196	$ 1,212,406
Investments Measured at NAV	13,760	57,960
Total Investments	1,262,956	1,270,366
Foreign Currency Forward Contracts - Assets	8,154	2,115
Foreign Currency Forward Contracts - Liabilities	(157)	(631)
Level 2
Fair Value Disclosures [Line Items]
Subtotal	81,209	106,726
Foreign Currency Forward Contracts - Assets	8,154	2,115
Foreign Currency Forward Contracts - Liabilities	(157)	(631)
Level 3
Fair Value Disclosures [Line Items]
Subtotal	1,167,987	1,105,680
Investments Measured at NAV	1,167,987	1,105,680
Senior Secured First Lien
Fair Value Disclosures [Line Items]
Subtotal	301,000	329,795
Senior Secured First Lien \| Level 2
Fair Value Disclosures [Line Items]
Subtotal	23,214	60,944
Senior Secured First Lien \| Level 3
Fair Value Disclosures [Line Items]
Subtotal	277,786	268,851
Unitranche First Lien
Fair Value Disclosures [Line Items]
Subtotal	824,108	731,017
Unitranche First Lien \| Level 2
Fair Value Disclosures [Line Items]
Subtotal	52,760	19,721
Unitranche First Lien \| Level 3
Fair Value Disclosures [Line Items]
Subtotal	771,348	711,296
Unitranche First Lien Last Out
Fair Value Disclosures [Line Items]
Subtotal	13,827	13,723
Unitranche First Lien Last Out \| Level 3
Fair Value Disclosures [Line Items]
Subtotal	13,827	13,723
Senior Secured Second Lien
Fair Value Disclosures [Line Items]
Subtotal	60,877	72,723
Senior Secured Second Lien \| Level 2
Fair Value Disclosures [Line Items]
Subtotal	4,291	25,139
Senior Secured Second Lien \| Level 3
Fair Value Disclosures [Line Items]
Subtotal	56,586	47,584
Unsecured Debt
Fair Value Disclosures [Line Items]
Subtotal	4,533	5,620
Unsecured Debt \| Level 3
Fair Value Disclosures [Line Items]
Subtotal	4,533	5,620
Equity & Other
Fair Value Disclosures [Line Items]
Subtotal	44,851	59,528
Equity & Other \| Level 2
Fair Value Disclosures [Line Items]
Subtotal	944	922
Equity & Other \| Level 3
Fair Value Disclosures [Line Items]
Subtotal	$ 43,907	$ 58,606

Fair value disclosures.

No definition available.

Name:	ccap_FairValueDisclosuresLineItems
Namespace Prefix:	ccap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value of investment other than investment in equity security, investment in debt security and equity method investment. Includes, but is not limited to, investment in certain entities that calculate net asset value per share. Example includes, but is not limited to, investment in hedge fund, venture capital fund, private equity fund, and real estate partnership or fund.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 6A
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=SL6742756-110258

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 35
-Paragraph 54B
-URI https://asc.fasb.org/extlink&oid=126972413&loc=SL7495116-110257

+ Details

Name:	us-gaap_AlternativeInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

+ Details

Name:	us-gaap_AssetsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Sum of the carrying amounts as of the balance sheet date of all investments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(h))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

+ Details

Name:	us-gaap_Investments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

+ Details

Name:	us-gaap_InvestmentsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value of financial and nonfinancial obligations.

+ References

+ Details

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

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=ccap_SeniorSecuredFirstLienMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=ccap_UnitrancheFirstLienMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=ccap_UnitrancheFirstLienLastOutMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=ccap_SeniorSecuredSecondLienMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=ccap_EquityAndOtherMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: