Loans and Allowance for Credit Losses - Real Estate Foreclosures (Details) - USD ($)	Sep. 30, 2023	Jun. 30, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items]
Repossessed assets	$ 0	$ 0
Residential Real Estate. \| Home Equity Loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Foreclosure proceedings in process	$ 667,000	$ 1,500,000

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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Carrying amount as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts.

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Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

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