Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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

- Details

Name:	us-gaap_DebtInstrumentAxis=cion_JPMCreditFacilityLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cion_JPMCreditFacilitySOFRMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cion_A2026NotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cion_UBSFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cion_A2022MoreTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cion_A2021MoreTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Financing Arrangements - Schedule of Financing Arrangements (Details) - USD ($) $ in Thousands					9 Months Ended
	Mar. 28, 2022	Feb. 26, 2021	Nov. 09, 2020	May 19, 2017	Sep. 30, 2022
Debt Instrument [Line Items]
Amount Outstanding					$ 957,500
Amount Available					72,500
JPM Credit Facility, LIBOR
Debt Instrument [Line Items]
Amount Outstanding					550,000
Amount Available					25,000
JPM Credit Facility, LIBOR \| LIBOR \| Secured Debt
Debt Instrument [Line Items]
Rate		3.10%
JPM Credit Facility, SOFR
Debt Instrument [Line Items]
Amount Outstanding					60,000
Amount Available					40,000
JPM Credit Facility, SOFR \| SOFR \| Secured Debt
Debt Instrument [Line Items]
Rate	3.10%
2026 Notes
Debt Instrument [Line Items]
Amount Available					0
UBS Facility
Debt Instrument [Line Items]
Amount Available					$ 7,500
UBS Facility \| LIBOR
Debt Instrument [Line Items]
Rate			3.90%	3.50%	3.375%
2022 More Term Loan
Debt Instrument [Line Items]
Amount Outstanding					$ 50,000
Amount Available					0
2021 More Term Loan
Debt Instrument [Line Items]
Amount Outstanding					30,000
Amount Available					$ 0