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Securities Held-to-Maturity - Additional Information (Details) - USD ($)	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023
Schedule of Held-to-Maturity Securities [Line Items]
Company	$ 21,000		$ 24,000
Sale of security held to maturity	0	$ 0
Federal Reserves Bank Term Funding Program
Schedule of Held-to-Maturity Securities [Line Items]
Advance	20,000,000
Pledged as Collateral
Schedule of Held-to-Maturity Securities [Line Items]
Mortgage-backed security	32,026,000
Secure Public Funds
Schedule of Held-to-Maturity Securities [Line Items]
Mortgage-backed security	$ 1,689,000		$ 3,000

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Mortgage-backed security.

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Amount of realized gain (loss) from sale of investment in debt security measured at amortized cost (held-to-maturity).

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Amount of interest-bearing domestic savings deposit liabilities. Saving deposits bear interest and have no stated maturity.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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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.

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