Financing receivable unpaid principal balance.

No definition available.

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Namespace Prefix:	cfsb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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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- Definition

Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524

+ Details

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- Definition

Amount of financing receivable 90 days or more past due and still accruing.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
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+ Details

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- Definition

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

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-Publisher FASB
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+ Details

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- Definition

Describes the policies and procedures for identifying and measuring losses on loans when the present value of expected cash flows discounted at the loan's effective interest rate, or, alternatively, a loan's observable market price or fair value of the underlying collateral is less than the carrying amount of the loan, and sets forth the amount of the loss. Also sets forth material facts pertaining to significant loan modifications in a troubled debt restructuring, describes the method for valuing a loan deemed to be impaired or nonperforming, indicates whether income on impaired or nonperforming loans are being recognized and describes the method for recognizing the income.

+ References

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+ Details

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- Definition

Amount, before allowance for credit loss, of financing receivable.

+ References

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+ Details

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- Details

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- Details

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- Details

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LOANS - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
LOANS - Additional Information (Detail) - USD ($)	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021	Jun. 30, 2021
Financing Receivable, Impaired [Line Items]
Loans and leases receivable, impaired, description			Management performs a discounted cash flow calculation to determine the amount of impairment reserve required on each of the troubled debt restructurings.
Mortgage Loans Serviced For Others [Member]
Financing Receivable, Impaired [Line Items]
Financing receivable, unpaid principal balances	$ 121,000		$ 121,000		$ 499,000
Loans Receivable [Member]
Financing Receivable, Impaired [Line Items]
Financing receivable, Ninety days or more past due, Still accruing	0		0		0
Impaired financing receivable	0		0		0
Financing receivable, troubled debt restructuring, subsequent default	0	$ 0	0	$ 0
Loans Receivable [Member] \| Financial Asset, Past Due [Member]
Financing Receivable, Impaired [Line Items]
Financing receivable, Past due	$ 0		$ 0		$ 0