Loans - Disaggregated by class of gross loans and type of concession granted (Details) $ in Thousands	12 Months Ended
Jun. 30, 2024 USD ($)
Financing Receivable, Modified [Line Items]
Loans modified that had subsequent payment default	$ 0
Principal Forgiveness
Financing Receivable, Modified [Line Items]
Amortized Cost Basis	4
Principal Forgiveness \| SBA loans \| SBA loans held for investment
Financing Receivable, Modified [Line Items]
Amortized Cost Basis	4
Payment Delay
Financing Receivable, Modified [Line Items]
Amortized Cost Basis	3,754
Payment Delay \| SBA loans \| SBA loans held for investment
Financing Receivable, Modified [Line Items]
Amortized Cost Basis	99
Payment Delay \| Commercial real estate \| Commercial loans
Financing Receivable, Modified [Line Items]
Amortized Cost Basis	2,619
Payment Delay \| Residential mortgage loans
Financing Receivable, Modified [Line Items]
Amortized Cost Basis	1,036
Term Extension
Financing Receivable, Modified [Line Items]
Amortized Cost Basis	4,383
Term Extension \| Commercial & industrial \| Commercial loans
Financing Receivable, Modified [Line Items]
Amortized Cost Basis	2,074
Term Extension \| Home equity \| Consumer loans
Financing Receivable, Modified [Line Items]
Amortized Cost Basis	$ 2,309

Accumulated amortized cost excluding accrued interest, of financing receivable modified for debtor experiencing financial difficulty.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

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- Definition

Amortized cost excluding accrued interest, of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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-Paragraph 44
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- Definition

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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