Loans and Allowance for Credit Losses - Gross Charge-offs by Loan Class and Year of Origination (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
2025 / 2024	$ 156	$ 38
2024 / 2023	1,688	948
2023 / 2022	418	761
2022 / 2021	4,348	259
2021 / 2020	225
Prior	148	49
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	6,983	2,055	$ 673
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2025 / 2024	25
2024 / 2023	505	190
2023 / 2022	212	195
2022 / 2021	507	10
2021 / 2020	217
Prior	42
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	1,508	395	76
Agriculture production
Financing Receivable, Credit Quality Indicator [Line Items]
2024 / 2023	1,052
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	1,052		6
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2025 / 2024	131	38
2024 / 2023	131	162
2023 / 2022	84	100
2022 / 2021	41	41
2021 / 2020	7
Prior	17	9
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	411	350	248
Secured by real estate \| 1-4 residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023 / 2022		6
Prior	89	40
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	89	46	98
Secured by real estate \| Commercial Real Estate \| Non-owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2024 / 2023		496
2022 / 2021	3,800
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	3,800	496
Secured by real estate \| Commercial Real Estate \| Owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2023 / 2022	122
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	122		$ 245
Secured by real estate \| Multi-family real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023 / 2022		382
2022 / 2021		97
Financing Receivable, Allowance for Credit Loss, Writeoff, Total		479
Secured by real estate \| Construction and land development
Financing Receivable, Credit Quality Indicator [Line Items]
2024 / 2023		100
2023 / 2022		78
2022 / 2021		111
2021 / 2020	1
Financing Receivable, Allowance for Credit Loss, Writeoff, Total	$ 1	$ 289

Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

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