Stock Repurchase Program, Additional Amount Authorized

No definition available.

Name:	cion_StockRepurchaseProgramAdditionalAmountAuthorized
Namespace Prefix:	cion_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481520/505-30-50-4

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares that have been repurchased and retired during the period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
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-Name Accounting Standards Codification
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org/1943274/2147481112/505-10-50-2

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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

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

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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Share Transactions - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended																					3 Months Ended						9 Months Ended		12 Months Ended	168 Months Ended
	Sep. 30, 2026	Aug. 31, 2026	Jul. 31, 2026	Jun. 30, 2026	May 31, 2026	Apr. 30, 2026	Mar. 31, 2026	Feb. 28, 2026	Jan. 31, 2026	Dec. 31, 2025	Nov. 30, 2025	Oct. 31, 2025	Sep. 30, 2025	Aug. 31, 2025	Jul. 31, 2025	Jun. 30, 2025	May 31, 2025	Apr. 30, 2025	Mar. 31, 2025	Feb. 28, 2025	Jan. 31, 2025	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025	Jun. 30, 2026	Jul. 30, 2026	Aug. 05, 2025	Jun. 24, 2022	Sep. 15, 2021
Subsidiary, Sale of Stock [Line Items]
Sale of common stock (in shares)																															49,202,704
Common stock repurchased value																						$ 8,002	$ 9,719	$ 5,206	$ 3,256	$ 6,556	$ 2,172	$ 17,721	$ 11,984		$ 305,650
Share repurchase program (in shares)	0	0	0	394,404	164,869	539,836	272,856	460,725	382,472	116,352	90,964	348,336	42,255	57,331	230,738	287,840	95,782	315,943	33,013	63,383	89,466							2,215,162	1,215,751	1,771,403	21,066,663
Common stock repurchased retired (in shares)																												21,066,663
Stock repurchase program, authorized amount																																$ 130,000	$ 80,000	$ 60,000	$ 50,000
Stock repurchase program, additional amount authorized																																$ 50,000	$ 20,000	$ 10,000
Public Stock Offering
Subsidiary, Sale of Stock [Line Items]
Net proceeds																															$ 1,087,087
Public Stock Offering - Reinvested Shareholder Distributions
Subsidiary, Sale of Stock [Line Items]
Sale of common stock (in shares)																															13,523,489
Net proceeds																															$ 237,451