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Loans and Allowance for Credit Losses - Loan portfolio aging analysis (Details) $ in Thousands | Sep. 30, 2023 USD ($) loan | Jun. 30, 2023 USD ($)
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | $ 3,699,961 | $ 3,619,197
Greater than 90 Days Past Due and Accruing |  | 109
Number of PCD loans greater than 90 days past due | loan | 0 |
Current Loans, not past due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | $ 3,671,517 | 3,608,456
Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 28,444 | 10,741
30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 10,475 | 4,212
60 to 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 16,233 | 2,767
Greater than 90 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 1,736 | 3,762
Residential Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 1,134,604 | 1,133,417
Greater than 90 Days Past Due and Accruing |  | 109
Residential Real Estate | Current Loans, not past due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 1,132,762 | 1,130,549
Residential Real Estate | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 1,842 | 2,868
Residential Real Estate | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 1,221 | 1,984
Residential Real Estate | 60 to 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 120 | 401
Residential Real Estate | Greater than 90 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 501 | 483
Construction Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 232,892 | 190,856
Construction Real Estate | Current Loans, not past due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 232,364 | 189,404
Construction Real Estate | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 528 | 1,452
Construction Real Estate | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 160 | 443
Construction Real Estate | 60 to 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable |  | 311
Construction Real Estate | Greater than 90 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 368 | 698
Commercial Real Estate |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 1,564,147 | 1,562,379
Commercial Real Estate | Current Loans, not past due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 1,548,712 | 1,558,329
Commercial Real Estate | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 15,435 | 4,050
Commercial Real Estate | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 840 | 616
Commercial Real Estate | 60 to 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 14,534 | 1,854
Commercial Real Estate | Greater than 90 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 61 | 1,580
Consumer loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 135,263 | 133,515
Consumer loans | Current Loans, not past due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 134,340 | 132,723
Consumer loans | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 923 | 792
Consumer loans | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 592 | 456
Consumer loans | 60 to 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 166 | 124
Consumer loans | Greater than 90 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 165 | 212
Commercial loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 633,055 | 599,030
Commercial loans | Current Loans, not past due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 623,339 | 597,451
Commercial loans | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 9,716 | 1,579
Commercial loans | 30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 7,662 | 713
Commercial loans | 60 to 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | 1,413 | 77
Commercial loans | Greater than 90 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans Receivable | $ 641 | $ 789

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