Loans and Allowance for Credit Losses - Nonaccrual Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Jun. 30, 2024
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	$ 21,970	$ 6,680
Nonaccrual loans individually evaluated for which no ACL was recorded	0
Commercial and industrial
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	3,596	1,703
Agriculture production
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	262	461
Consumer
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	40	19
Secured by real estate \| 1-4 residential real estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	3,258	1,391
Secured by real estate \| Commercial Real Estate \| Non-owner occupied
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	9,584
Secured by real estate \| Commercial Real Estate \| Owner occupied
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	2,245	1,102
Secured by real estate \| Construction and land development
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	148	108
Secured by real estate \| Agriculture real estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans	$ 2,837	$ 1,896

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

+ Details

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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