Fair Value Measurements - Unobservable (Level 3) inputs (Details) - Fair Value, Nonrecurring - Fair Value, Inputs, Level 3 - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Mar. 31, 2025	Jun. 30, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment, Type [Extensible Enumeration]	Foreclosed and repossessed assets	Foreclosed and repossessed assets
Foreclosed and repossessed assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Nonrecurring Unobservable Inputs	$ 625	$ 759
Fair Value Measurements Nonrecurring Weighted Average Discount Applied	31.3	20.3
Foreclosed and repossessed assets | Third party appraisal
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Nonrecurring Valuation Technique	Third party appraisal	Third party appraisal
Foreclosed and repossessed assets | Third party appraisal | Measurement Input, Discount Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Nonrecurring Unobservable Inputs	Marketability discount	Marketability discount
Foreclosed and repossessed assets | Third party appraisal | Measurement Input, Discount Rate | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Nonrecurring Range of discounts Applied	31.30%	17.90%
Foreclosed and repossessed assets | Third party appraisal | Measurement Input, Discount Rate | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Nonrecurring Range of discounts Applied	31.30%	44.90%
Collateral dependent Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Nonrecurring Unobservable Inputs	$ 25,288	$ 12,994
Fair Value Measurements Nonrecurring Weighted Average Discount Applied	28.0	43.7
Collateral dependent Loans | Collateral value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Nonrecurring Valuation Technique	Collateral value	Collateral value
Collateral dependent Loans | Collateral value | Measurement Input, Discount Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Nonrecurring Unobservable Inputs	Marketability discount	Marketability discount
Collateral dependent Loans | Collateral value | Measurement Input, Discount Rate | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Nonrecurring Range of discounts Applied	12.40%	14.50%
Collateral dependent Loans | Collateral value | Measurement Input, Discount Rate | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Nonrecurring Range of discounts Applied	60.20%	52.30%