Loans and Allowance for Credit Losses on Loans - Financial effect of the modifications made to borrowers experiencing financial difficulty (Details) - Commercial Real Estate Portfolio [Member]	3 Months Ended	9 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Term Extension [Member]
Loans and Allowance for Credit Losses on Loans - Financial effect of the modifications made to borrowers experiencing financial difficulty (Details) [Line Items]
Financing Receivable, Modified, Weighted Average Term Increase from Modification	12 months	9 months	12 months	9 months
Interest Rate Reduction [Member]
Loans and Allowance for Credit Losses on Loans - Financial effect of the modifications made to borrowers experiencing financial difficulty (Details) [Line Items]
Financing Receivable Modifications Weighted Average Interest Rate		1.75%	1.45%	1.75%

Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration