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

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- 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

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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

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+ Details

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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

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

- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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+ Details

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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
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- Details

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- Details

Name:	us-gaap_DebtInstrumentAxis=cion_UBSFacilityMember
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- Details

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Financing Arrangements - Schedule of Financing Arrangements (Details) - USD ($) $ in Thousands	Apr. 27, 2022	Mar. 28, 2022	Feb. 26, 2021	Dec. 17, 2020	Nov. 09, 2020	May 19, 2017	Dec. 31, 2022	Apr. 19, 2022	Apr. 14, 2022	Dec. 31, 2021	Feb. 11, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Amount Outstanding							$ 957,500
Amount outstanding							951,322			$ 822,372
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 outstanding							125,000
Amount Available							0
2026 Notes \| Unsecured debt
Debt Instrument [Line Items]
Interest rate											4.50%
Amount outstanding							125,000
UBS Facility
Debt Instrument [Line Items]
Amount outstanding							142,500					$ 133,333
Amount Available							7,500
UBS Facility \| LIBOR
Debt Instrument [Line Items]
Rate				3.375%	3.90%	3.50%
2022 More Term Loan
Debt Instrument [Line Items]
Amount Outstanding							50,000
Amount Available							0
2022 More Term Loan \| Unsecured debt
Debt Instrument [Line Items]
Amount outstanding								$ 50,000
2022 More Term Loan \| SOFR \| Unsecured debt
Debt Instrument [Line Items]
Rate	3.50%
2021 More Term Loan
Debt Instrument [Line Items]
Amount Outstanding							30,000
Amount Available							$ 0
2021 More Term Loan \| Unsecured debt
Debt Instrument [Line Items]
Interest rate									5.20%
Amount outstanding									$ 30,000