Amount, excluding accrued interest, of allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity).

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479344/326-20-45-1

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Summary of Significant Accounting Policies - Summary of change from the incurred loss model to the current expected credit loss model (Details) - USD ($)	Sep. 30, 2023	Jun. 30, 2023	Sep. 30, 2022
Accounting Policies [Line items]
ACL on debt securities held to maturity	$ 0
ACL on loans	3,587,000		$ 3,587,000
ACL on debt securities and loans		$ 3,707,000
Unfunded Loan Commitment
Accounting Policies [Line items]
ACL on loans		151,000
Residential real estate \| 1-4 Family
Accounting Policies [Line items]
ACL on loans	407,000	419,000	407,000
Residential real estate \| Home equity and HELOCs
Accounting Policies [Line items]
ACL on loans	131,000	132,000	131,000
Residential real estate \| Construction Residential
Accounting Policies [Line items]
ACL on loans	39,000	40,000	39,000
Commercial real estate \| 1-4 Family
Accounting Policies [Line items]
ACL on loans			325,000
Commercial real estate \| 1 - 4 family investor
Accounting Policies [Line items]
ACL on loans	325,000	328,000
Commercial real estate \| Multi-family (five or more)
Accounting Policies [Line items]
ACL on loans	53,000	59,000	53,000
Commercial real estate \| Commercial non-residential
Accounting Policies [Line items]
ACL on loans	1,767,000	1,799,000	1,767,000
Commercial real estate \| Construction and land
Accounting Policies [Line items]
ACL on loans	233,000	188,000	233,000
Commercial
Accounting Policies [Line items]
ACL on loans	340,000	336,000	340,000
Consumer loans
Accounting Policies [Line items]
ACL on loans	$ 292,000	255,000	$ 292,000
Previously Reported
Accounting Policies [Line items]
ACL on debt securities and loans		3,414,000
Previously Reported \| Unfunded Loan Commitment
Accounting Policies [Line items]
ACL on loans		101,000
Previously Reported \| Residential real estate \| 1-4 Family
Accounting Policies [Line items]
ACL on loans		486,000
Previously Reported \| Residential real estate \| Home equity and HELOCs
Accounting Policies [Line items]
ACL on loans		113,000
Previously Reported \| Residential real estate \| Construction Residential
Accounting Policies [Line items]
ACL on loans		214,000
Previously Reported \| Commercial real estate \| 1 - 4 family investor
Accounting Policies [Line items]
ACL on loans		569,000
Previously Reported \| Commercial real estate \| Multi-family (five or more)
Accounting Policies [Line items]
ACL on loans		89,000
Previously Reported \| Commercial real estate \| Commercial non-residential
Accounting Policies [Line items]
ACL on loans		1,420,000
Previously Reported \| Commercial real estate \| Construction and land
Accounting Policies [Line items]
ACL on loans		281,000
Previously Reported \| Commercial
Accounting Policies [Line items]
ACL on loans		82,000
Previously Reported \| Consumer loans
Accounting Policies [Line items]
ACL on loans		59,000
Revision of Prior Period, Adjustment
Accounting Policies [Line items]
ACL on debt securities and loans		293,000
Revision of Prior Period, Adjustment \| Unfunded Loan Commitment
Accounting Policies [Line items]
ACL on loans		50,000
Revision of Prior Period, Adjustment \| Residential real estate \| 1-4 Family
Accounting Policies [Line items]
ACL on loans		(67,000)
Revision of Prior Period, Adjustment \| Residential real estate \| Home equity and HELOCs
Accounting Policies [Line items]
ACL on loans		19,000
Revision of Prior Period, Adjustment \| Residential real estate \| Construction Residential
Accounting Policies [Line items]
ACL on loans		(174,000)
Revision of Prior Period, Adjustment \| Commercial real estate \| 1 - 4 family investor
Accounting Policies [Line items]
ACL on loans		(241,000)
Revision of Prior Period, Adjustment \| Commercial real estate \| Multi-family (five or more)
Accounting Policies [Line items]
ACL on loans		(30,000)
Revision of Prior Period, Adjustment \| Commercial real estate \| Commercial non-residential
Accounting Policies [Line items]
ACL on loans		379,000
Revision of Prior Period, Adjustment \| Commercial real estate \| Construction and land
Accounting Policies [Line items]
ACL on loans		(93,000)
Revision of Prior Period, Adjustment \| Commercial
Accounting Policies [Line items]
ACL on loans		254,000
Revision of Prior Period, Adjustment \| Consumer loans
Accounting Policies [Line items]
ACL on loans		$ 196,000