Loans and Allowance for Credit Losses - Schedule of Loans on Nonaccrual Status (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2026	Jun. 30, 2026
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans end of period	$ 1,641	$ 407
Nonaccrual with no Allowance for Credit Loss	1,641	287
Nonaccrual with allowance for Credit Loss		120
Interest Income Recognized During the Period	1
Commercial Real Estate Portfolio Segment \| Real Estate - Residential
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans end of period	9	8
Nonaccrual with no Allowance for Credit Loss	9	8
Interest Income Recognized During the Period	1
Commercial Non Real Estate Portfolio Segment \| Real Estate - Residential
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with allowance for Credit Loss		120
Commercial Non Real Estate Portfolio Segment \| Commercial - Non Real Estate
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans end of period		357
Nonaccrual with no Allowance for Credit Loss		237
Consumer Portfolio Segment \| Other Consumer
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans end of period		42
Nonaccrual with no Allowance for Credit Loss		$ 42
Agricultural Portfolio Segment \| Agricultural
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual loans end of period	1,632
Nonaccrual with no Allowance for Credit Loss	$ 1,632

Financing receivable nonaccrual with allowance.

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

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