Per share amount of SAR grant.

No definition available.

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Namespace Prefix:	ccur_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Aggregate dividends paid during the period for each share of stock outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	ccur_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of reimbursement received or receivable for expenses incurred.

+ References

No definition available.

+ Details

Name:	ccur_ExpenseReimbursements
Namespace Prefix:	ccur_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of cash paid during the period to settle one-time fee based upon the number of SARs issued.

+ References

No definition available.

+ Details

Name:	ccur_OneTimeFeePaidInCashUponStockAppreciationRightsIssuance
Namespace Prefix:	ccur_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the base price per share of cash-settled SARs to settle the management fee and performance fee.

+ References

No definition available.

+ Details

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Namespace Prefix:	ccur_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

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

- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- 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

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

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

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=srt_AffiliatedEntityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=ccur_ManagementAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_StockAppreciationRightsSARSMember
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Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=ccur_OmnibusAmendmentMember
Namespace Prefix:
Data Type:	na
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Commitments and Contingencies and Related Party Transactions - Related Party Transactions (Details) - USD ($)			1 Months Ended		3 Months Ended		12 Months Ended
	Jun. 04, 2020	Feb. 24, 2020	Mar. 31, 2020	Feb. 28, 2019	Sep. 30, 2020	Jun. 30, 2020	Jun. 30, 2020	Feb. 29, 2020
Cash-settled SARs \| CIDM II or Asset Manager
Related Party Transaction [Line Items]
Expense reimbursements per quarter							$ 50,000
Cash paid upon number of SARs issued		$ 399,000
One-time dividend declared per share								$ 0.50
One-time dividend paid			$ 0.50
Management Agreement \| SARs
Related Party Transaction [Line Items]
Cash value of a SAR grant, per share	$ 3.50
Management Agreement \| Cash-settled SARs
Related Party Transaction [Line Items]
SARs base price				$ 0.01
Management Agreement \| To be settled in cash \| Prior Asset Manager
Related Party Transaction [Line Items]
SARs base price				$ 0.01
SARs granted				797,446
Omnibus Amendment \| SARs
Related Party Transaction [Line Items]
Compensation expense						$ 2,552,000
Omnibus Amendment \| Cash-settled SARs \| Expected
Related Party Transaction [Line Items]
SARs granted					90,310
Compensation expense					$ 289,000