Loans and Allowance for Credit Losses - Nonaccrual Loans (Details) - USD ($)	Sep. 30, 2023	Jun. 30, 2023
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	$ 5,738,000	$ 7,543,000
Nonaccrual loans individually evaluated for which no ACL was recorded	0
Residential Real Estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	949,000	934,000
Construction Real Estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	368,000	698,000
Commercial Real Estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	3,361,000	4,564,000
Consumer loans
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	164,000	256,000
Commercial loans
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	$ 896,000	$ 1,091,000

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

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